Supervenience and social entities

What is the ontological status of social entities -- kinship systems, police departments, religious movements?  And what is the status of causal powers of social entities?  Do we need to "reduce" social entities to the compounds of individuals who make them up? And do we need to derive the causal properties of social entities from the characteristics and interactions of the individuals who make them up? In short, do we need to be reductionist about the social world?

This is a question that arises in many of the "special" sciences, including in particular psychology and neuroscience.  A basic premise of contemporary philosophy is that all phenomena are composed of physical entities, processes, and systems. The mind-body problem is the most immediate place where physicalism does some important work. Mind-body dualists held that mental states were independent from physical states, whereas physicalists insist that mental states are embodied in physical processes and systems.

It is plain enough that we make use of a vocabulary that doesn't appear to invoke physical states when we talk about people's actions and states of mind. When I decide to have tofu for dinner, or when I experience the taste of hot sesame oil, I am engaging in a mental act or qualitative state. "Deciding", "experiencing", and "having qualitative states" all appear to be terms that refer to private mental states. The physicalist takes it as a piece of ontological certainty, however, that these "mental" states are fully and entirely constituted by the physical substrates of the brain and nervous system.

So what do physicalists have in mind when they say that the phenomena to which these terms refer are really physical states? There are several possibilities:

• eliminative materialism: mental states do not exist, and we need to give definitions of mental terms that allow us to eliminate them in favor of physical terms [reductionism]
• non-eliminative materialism: mental states exist, but they are wholly and exhaustively caused by physical states
• epiphenomenalism: mental states are by-products of physical states without causal powers to influence subsequent physical states
• supervenience: mental states depend upon physical states and nothing else, but it is difficult and unnecessary to reduce facts about mental states to facts about physical states

Is there an analogous situation in the social sciences? Is individualism for the social sciences strongly analogous to physicalism for the natural sciences? Is there something ontologically dubious about referring to social entities and causes?

There is nothing peculiar about the idea that some entities are complex assemblages of other, simpler entities. Virtually every entity that we have an interest in is a compound of simpler entities -- genes, enzymes, or the insulin molecule depicted above.  A table has characteristics that depend on the physical features and arrangement of the materials that make it up, but those "table" characteristics are very different from the features of the composing elements -- hardness, stability, load-bearing capacity, etc. And there is no reason whatsoever to insist that "tables do not exist -- only bits of wood exist."  Tables are identifiable composite objects, and they have causal properties that we can invoke in explanations.  So the fact that there are characteristics of the composite that are dissimilar from the characteristics of the elements is not peculiar.  And this is entirely true of social entities as well.  The efficiency or corruptibility of a tax-collecting bureau is not a characteristic of the individuals who compose it; it is rather a system-level characteristic that derives from the incentives, oversight mechanisms, and physical infrastructure of the organization.

So composite entities are not suspect in general. However, there are a couple of challenging questions that we need to confront about composite entities.  First, can we explain the properties of the composite by knowing everything about the properties of the elements and the nature of their arrangement and interactions?  Can we derive the properties of the whole from the properties of the components?  Take metallurgy: can we derive the properties of the alloy from the physical characteristics of the tin and copper which make it up?  Or are there "emergent" properties that somehow do not depend solely on the properties of the components?

Second, can we attribute causal powers to composite entities directly, or do we need to disaggregate causal claims about the aggregate onto some set of claims about the causal powers of the elements?  Do we need to disaggregate the load-bearing capacity of the table onto a set of facts about the properties of the elements (legs, table top) and their configuration?  It is certainly true that we can derive the load-bearing capacity of the table from this set of facts; this is what civil engineers do in modeling bridges, for example.  The philosophical question is whether we ought to regard this causal property as simply a way of summarizing the underlying physics of the table, or as a stable causal property in its own right.

One appealing answer that has been offered to the question of the relationship between levels of entities is the theory of supervenience.  This theory is largely the work of philosopher Jaegwon Kim over the past thirty years. Here is a recent synthesis of his views (Physicalism, or Something Near Enough). He summarizes the basic idea in these terms:

It will suffice to understand [supervenience] as the claim that what happens in our mental life is wholly dependent on, and determined by, what happens with our bodily processes. (14)

And here is how Julie Zahle puts the point in her contribution to Turner and Risjord's Philosophy of Anthropology and Sociology:

Social entities, their properties, actions, etc. may be said to supervene upon individuals, their actions, and so on, insofar as: (1) there can be no difference at the level of social wholes, their properties, actions, etc., unless there is also a difference at the level of individuals, their properties, actions, and so on; (2) individuals, their actions, etc. fix or determine what kinds of social wholes, properties, etc. are instantiated. (327)

Does the idea of supervenience help answer the question of the ontological status of social entities?  Is it helpful to judge that social entities supervene upon facts about individuals and nothing else?  And does this leave room for the idea of social causation and relative explanatory autonomy?  Are we able to acknowledge the dependence of the social world on facts about individuals without abandoning the idea that there is social causation and social science?

Perhaps surprisingly, Kim thinks that the theory will not assist us in the last two ways, at least when it comes to psychology:

This view [supervenience] provides the burgeoning science of psychology and cognition with a philosophical rationale as an autonomous science in its own right: it investigates these irreducible psychological properties, functions, and capacities, discovering laws and regularities governing them and generating law-based explanations and predictions. It is a science with its own proper domain untouched by other sciences, especially those at the lower levels, like biology, chemistry, and physics. 

This seductive picture, however, turns out to be a piece of wishful thinking, when we consider the problem of mental causation--how it is possible, on such a picture, for mentality to have causal powers, powers to influence the course of natural events. (15)

So I am in a quandary at the moment: I favor the idea of "relatively autonomous social explanations" (link), I like the idea of regarding social entities as legitimate compound entities that don't require elimination, and I think of the theory of supervenience as providing some authority for these views.  And yet Kim himself seems to reject this line of thought when it comes to the special sciences of psychology and cognitive science.  Kim seems to want to argue that higher level sciences cannot claim relative autonomy; in this respect his own view seems to be reductionist.

What seems clear to me can be summarized in just a few points:

• Social entities and facts are determined and constituted by facts about individuals, their beliefs, their relations, and their actions.  So social entities and facts do in fact supervene upon facts about individuals.
• Social entities do have causal properties that can be discovered without needing to eliminate them in terms of properties of individuals.  
• The requirement of microfoundations is crucial because it establishes the intellectual discipline required by the first point: we must be able to validate that the claims we make about social properties and causal powers can be provided microfoundations at the level of socially situated individuals.
• There is a legitimate and defensible level of explanation at which social scientists can hypothesize social properties and causal capacities; so there is a place for a "relatively autonomous" social science.  We are not forced to be reductionist.
• The "social" is not inherently puzzling in the way that the "mental" is.  Social entities are more analogous to chairs and proteins than they are to thoughts and qualia: they are complex entities whose system-level characteristics are the ultimate effects of the interactions and properties of the individual elements that constitute them.  We often cannot trace out exactly how the properties of the whole derive from the properties of the components; but we don't need to do so except in unusual circumstances.

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Posted in: CAT_ontology,holism,methodological individualism,microfoundations

More on meso causation

A recent post considered the question, do organizations have causal powers? There I argued that they do, in a number of ways. Here I'd like to return to these claims and see how they disaggregate onto subvening circumstances, including especially patterns of individual and group activity. The italicized phrases are extracted from the earlier post.

• First, the rules and procedures of the organization may themselves have behavioral consequences that lead consistently to a certain kind of outcome.

How do rules and procedures causally affect the behavior of the actors who participate in them? (a) Through training and inculcation. The new participant is exposed to training processes designed to lead him/her to internalize the procedures and norms governing his/her function. (b) Through formal enforcement. Supervisors are institutionally charged to enforce the rules through direct observation and feedback. (c) Through the normative example of other participants, including informal sanctions by non-supervisors for "wrong" behavior. (d) Through positive incentives administered by supervisors and mid-level functionaries. Each of these avenues for influencing the behavior of an actor within an organization depends on the actions and motivations of other actors within the organization. So we have the recursive question, what factors influence the behavior of those actors? And the answer seems to be: all actors find themselves within a dynamic system of behavior by other actors, frequently maintaining an equilibrium of reproduction of the rules and roles.

• Second, different organizational forms may be more or less efficient at performing their tasks, leading to consequences for the people and higher-level organizations that are depending on them.

Institutions designed to do similar work may differ in their functioning because of specific differences in the implementation of roles and processes within the organization. This is a system characteristic of the particular features and interactions of the rules and processes of the organization, along with the expected behaviors of the participants. It is also a causal characteristic: implementing system A results in greater efficiency at X than implementing B. The underlying causal reality that needs explanation is how it comes to pass that participants carry out their roles as prescribed--which takes us back to the first thesis.

• Third, the discrepancy between what the rules require of participants and what the participants actually do may have consequences for the outputs of the organization.

This causal claim highlights the difference between formal and informal procedures and practices within an organization. Informal practices can be highly regular and reproducible. In order to incorporate their implications into our analysis of the workings of the organization we need to accurately understand them; so we need to do some organizational ethnography to identify the practices of the organization. But in principle, the logic of explanation we provide on the basis of informal practices is exactly the same as those offered on the basis of the formal rules of the organization.

• Fourth, the specific ways in which incentives, sanctions, and supervision are implemented differentiate across organizations.

This is one of the key insights of the "new institutionalism." The specific design of the institution in terms of opportunities and incentives presented to participants makes a large difference in actors' behavior, and consequently a large difference to the system-level performance of the institution. Tweaking the variable of the level in the organization's hierarchy that needs to sign off on expenditures at a given level has significant effects on behavior and system properties. On the one hand, higher-level sign-off may serve to restrain spending. On the other hand, it may make the organization more unwieldy in responding to opportunities and threats.

• Fifth, the organization has causal powers with respect to the behavior of the individuals involved in the organization.

This factor parallels thesis 1 but is meant to refer to longterm effects on behavior and personality. The idea here is that immersion in a particular organization and its culture creates a distinctive social psychology in the people who experience it. They may acquire habits of thought, ways of responding to new circumstances, higher or lower levels of trust of others, and so forth, in ways that influence their behavior in the broader society. The idea of an "organization man" falls in this category of influence. The organization influences the individual's behavior, not just through the immediate system of rewards and punishments, but through its ability to shape his/her more permanent social psychology.

There are only two fundamental causal paths identified here. The causal properties of the organization are embodied in the patterns of coordinated actions undertaken by the actors who are involved; and these orderly patterns create system effects for the organization as a whole that can be analyzed in abstraction from the individuals whose actions constitute the micro-level of the social entity.

The most obvious causal property of an organization is bound up in the function of the organization. An organization is developed in order to bring about certain social effects: reduce pollution or crime, distribute goods throughout a population, provide services to individuals, seize and hold territory, disseminate information. These effects occur as a result of the coordinated activities of people within the organization. When organizations work correctly they bring about one set of effects; when they break down they bring about another set of effects. Here we can think about organizations in analogy with technology components like amplifiers, thermostats, stabilizers, or surge protectors. This analogy suggests we think about the causal powers of an organization at two levels: what they do (their meso-level effects) and how they do it (their micro-level sub-mechanisms).

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Posted in: CAT_institutions,causal mechanism,methodological individualism,microfoundations,organization

Peter Demeulenaere on analytical sociology

Here is another take on the core features of analytical sociology, this time from Peter Demeulenaere in the introduction to his very interesting recent collection on the subject, Analytical Sociology and Social Mechanisms. The volume includes thirteen essays by leading experts grouped around "Actions and Mechanisms," "Mechanisms and Causality," and "Approaches to Mechanisms," and it is an important further contribution to the framework of analytical sociology. (The volume is also available in an affordable Kindle edition; Analytical Sociology and Social Mechanisms.)

Demeulenaere makes several basic points. First, he holds that AS is not just another new paradigm for sociology. Instead, it is a reconstruction of what valid explanations on sociology must look like, once we properly understand the logic of the social world. He believes that much existing sociology conforms to this set of standards -- but not all. And the non-conformers are evidently condemned to being judged non-explanatory. So this sets a claim of a very high level of authority over the whole field -- what Ronald Jepperson and John Meyer refer to as micro-chauvinism (link, 57). Here are several of Demeulenaere's statements of the intended scope of AS:

Analytical sociology should not therefore be seen as a manifesto for one particular way of doing sociology as compared with others, but as an effort to clarify (“analytically”) theoretical and epistemological principles which underlie any satisfactory way of doing sociology (and, in fact, any social science). The social sciences already command a considerable stock of substantive descriptions and explanations; and some of the alternatives to these are either redundant, or resistant to proof, even false or imprecise, quite regardless of their status with respect to one or other established paradigm. Analytical sociology should seek to define a set of sound epistemological and methodological principles underlying all previously established and reliable sociological findings. The aim of analytical sociology is to clarify the basic epistemological, theoretical and methodological principles fundamental to the development of sound description and explanation. (Kindle loc 121)

The most important aspect of the analytical approach should be to clarify the strategy by which we endeavour to separate and conceptualize different elements entering into descriptions and explanations of the social world, so that we might understand their mutual relationships, and in particular the causal links existing among them. (Kindle loc 139)

Second, Demeulenaere provides a long, detailed, and helpful analysis of the doctrine of methodological individualism and its current status. He believes that criticisms of MI have usually rested on a small number of misunderstandings, which he attempts to resolve. For example, MI is not "atomistic", "egoistic", "non-social", or exclusively tied to rational choice theory. He prefers a refinement that he describes as structural individualism, but essentially he argues that MI is a universal requirement on social science.

The two core ideas behind MI, first expressed by John Stuart Mill and Carl Menger, and subsequently by Weber, can be expressed very simply:

-- Social life exists only by virtue of actors who live it;
-- Consequently a social fact of any kind must be explained by direct reference to the actions of its constituents.

These two simple propositions remain central to the analytical approach; we therefore have to address the problem of the relationship between MI and AS. This section is directed to a brief exposition of the problem. (Kindle loc 183)

This is important, because it involves two separate assertions: social things are composed of individual actions and nothing else; and "therefore" social outcomes must be explained on the basis of facts about individual actions. But the inference doesn't hold -- more in an upcoming post on explanatory autonomy.

Demeulenaere specifically disputes the idea that MI implies a separation between society and non-social individuals. He believes that even the originators -- Watkins and Mill, for example -- recognized that individuals are social organisms. But he believes this recognition can be folded into a consistent elaboration of MI that he describes as structural individualism:

The combination of these two approaches can be called “structural individualism” (Wippler 1978; Udehn 2001). Any serious attempt to reflect on a social situation should deploy both in turn. Their combination is in some respect illustrated by Coleman‘s famous “boat” (1986, 1990). It remains a central aspect of analytical sociology. (kl 246)

That said, Demeulenaere fully endorses the idea that AS depends upon and presupposes MI:

Does analytical sociology differ significantly from the initial project of MI? I do not really think so. But by introducing the notion of analytical sociology we are able to make a fresh start and avoid the various misunderstandings now commonly attached to MI. (kl 318)

Third, Demeulenaere holds that AS depends closely on the methodology of social causal mechanisms. The "analytical" part of the phrase involves identifying separate things, and the social mechanisms idea says how these things are related. Demeulenaere gives a compressed history of the development of this framework over the past decade or so.

Analytical sociology incorporates an affirmation that “social facts” are generated, triggered, produced, brought about, or “caused” by individual actions which themselves are in some sense “caused”, or at least partly determined by, the constraints presented by the social environments and situations in which such actions take place.

Therefore the focus has to be on the causal “process” occurring at the action level. The idea that there are laws directly implemented at a macro level can be easily rebutted, since the effectiveness of the outcome necessarily leads to the “active” level, the level of action. One general implication of the notion of “mechanism” is to move analysis away from an “inactive” level to an “active” level, where effective actions occur. A strong correlation between variables should not therefore be interpreted in causal terms unless a mechanism linking the two dimensions is identified, mechanisms involving effective actions. (kl 378)

So causal mechanisms are expected to be the components of the linkages between events or processes hypothesized to bear a causal relation to each other. And, more specifically to the AS approach, the mechanisms are supposed to occur solely at the level of the actors--not at the meso or macro levels. So this means that AS would not countenance a meso-level mechanism like this: "the organizational form of the supervision structure at the Bopal chemical plant caused a high rate of maintenance lapses that caused the accidental release of chemicals." Both features are meso-level factors or conditions, and it would appear that AS would require that their causal properties be unpacked onto individual actors' behavior.

I, on the other hand, would maintain that this is a perfectly legitimate social mechanism because we can readily supply its microfoundations at the behavioral level. So this suggests that we can legitimately refer to meso-level mechanisms as long as we are mindful of the microfoundations requirement. And this corresponds as well to the tangible fact that institutions have causal force with respect to individuals -- a point Demeulenaere acknowledges here:

Hence we commonly encounter the fact that, one set of actors having at a certain point adopted a norm, or built up an institution, it then become more difficult for actors subsequently coming onto the scene to adopt another norm, or replace the institution. But this is never impossible. (kl 372)

There is quite a bit of the framework of AS that I find appealing and constructive. Moreover, several of the core premises line up well with assumptions I've argued for in my own philosophy of social science -- microfoundations, causal mechanisms, and agent-centered ontology, for example. Where there appear to be a few inches of separation between the views is on the subject of reductionism and explanatory autonomy. I will return to these differences in an upcoming post.

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Posted in: analytical sociology,methodological individualism,microfoundations

Social explanation and causal mechanisms

To explain a social outcome or regularity, we need to provide an account of why and how it came about; and this means providing a causal analysis in terms of which the explanandum appears as a result.

Having a causal theory of a realm requires having an ontology: what kinds of things exist in this realm, and how do they work? Along with others, I offer a social ontology grounded in the actions and relations of socially constituted actors, which I refer to as methodological localism (link). (This is also the ontology asserted by the programme of "analytical sociology";  link.)

This entails, basically, that we need to understand all higher-level social entities and processes as being composed of the activities and thoughts of individual agents at a local level of social interaction; we need to be attentive to the pathways of aggregation through which these local-level activities aggregate to higher-level structures; and we need to pay attention to the iterative ways in which higher-level structures shape and influence individual agents.  Social outcomes are invariably constituted by and brought into being by socially constituted, socially situated individual actors (methodological localism). Both aspects of the view are important. By referring to "social constitution" we are invoking the fact that past social arrangements have created the social actor. By referring to "social situatedness" we invoke the idea that existing social practices and rules constrain and motivate the individual actor. So this view is not reductionist, in the sense of aiming to reduce social outcomes to pre-social individual activity.

We also want to refer to supra-individual actors -- firms, agencies, organizations, social movements, states. The social sciences are radically incomplete without such constructs. But all such references are bound by a requirement of microfoundations: if we attribute intentionality to a firm, we need to be able to sketch out an account of how the individuals of the firm are led to act in ways that lead to the postulated decision-making and action (link).

So, then: what is involved in asserting that social circumstance A causally produces social circumstance B? There are, of course, numerous well developed answers to this question: statistical inference based on correlations of occurrences, conditional probabilities, and necessary-sufficient condition analysis. My view, however, is that there is a more basic meaning of causation: A caused B iff there is a sequence of causal mechanisms leading from A to B. This approach is especially suitable for the social realm because, on the one hand, there are few strong statistical regularities among social outcomes, and on the other, it is feasible to identify social mechanisms through a variety of social research methods -- comparative analysis, process tracing, case studies, and the like.

The social mechanisms approach (and the scientific realism that lies behind it) goes back at least as early as the late 1980s. An early statement of the view was presented in my Varieties Of Social Explanation: An Introduction To The Philosophy Of Social Science in 1991.  Mario Bunge and Jon Elster took similar positions. The view took a large step forward, on the theory side, with the publication of Hedstrom and Swedberg's Social Mechanisms: An Analytical Approach to Social Theory (1998), and on the empirical research side with the publication of McAdam, Tarrow, and Tilly's Dynamics of Contention (2001). There are important differences; theorists within analytical sociology largely favor methodological individualism and mechanisms grounded in rational individuals, whereas Tilly and his colleagues favor "relational" mechanisms. But in each case the model of agent-centered explanations that either require microfoundations or are plainly compatible with such a requirement.  (Here is a recent post on causal mechanisms.)

Several social scientists have anticipated this approach through their own concrete analysis of aggregation phenomena.  A good illustration is Thomas Schelling.  His work presents a large number of examples of mundane social outcomes that he explains on the basis of simple individual-level choices and an aggregation mechanism (Micromotives and Macrobehavior, Choice and Consequence). Features of organized crime, traffic patterns, segregation, and dying seminars all come in for treatment.  Schelling demonstrates in concrete terms what sorts of things we can identify as "social mechanisms" and traces them back to the circumstances of action of individuals in social situations.

The framework of social mechanisms as a basis for social explanation raises an important question about the role and scope of generalizability that we expect from a social explanation. Briefly, the mechanisms identified here show a degree of generalizability; as McAdam, Tarrow and Tilly assert, social mechanisms can be expected to recur in other circumstances and times. But the event itself is one-of-a-kind. This is a familiar feature of Tilly's way of thinking about contentious events as well: the American Civil War was a singular historical event. But a good explanation will invoke mechanisms that recur elsewhere. We shouldn't expect to find general theories of civil wars; but our explanations of particular civil wars can invoke quasi-general theories of mid-level mechanisms of conflict and escalation. (Here is a recent posting on general and specific causal claims.)

Another important methodological question for this approach to social explanation is the issue of explaining general statistical patterns in social life.  What if we want to explain something more quantitative -- say a gradually rising divorce rate or the finding that co-habitants before marriage have higher divorce rates than non-co-habitants? On the social mechanisms approach, we would want two things. First, we would like an agent-level mechanism that explains the statistic; and second, we would like to find a common cause if the phenomenon is similar in several countries.

Finally, the actor-based mechanisms approach invites an area of study which is now being referred to as "aggregation dynamics" (link, link).  We need to have theories and tools that permit us to aggregate different micro-level processes over time into meso- and macro-outcomes, taking into account the complexity of causal interactions in a dynamic process.  The tools of agent-based modeling are relevant here (link).

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Posted in: analytical sociology,CAT_explanation,localism,microfoundations

Microfoundationalism

detail: Lynn Cazabon photo

The philosophy of social science encompasses several important tasks, and key among them is to provide theories of social ontology and social explanation. What is the nature of social entities? What is needed in order to substantiate a claim of social causation? What constitutes an acceptable social explanation?

The concept of microfoundations is relevant to each of these domains. A microfoundation is:

a specification of the ways in which the properties and structure of a higher-level entity are produced by the activities and properties of lower-level entities.

In the case of the social sciences, this amounts to:

a specification of the ways that properties, structural features, and causal powers of a social entity are produced and reproduced by the actions and dispositions of socially situated individuals.

This concept is relevant to social ontology in this way. Social entities are understood to be compositional; they are assemblages constituted and maintained by the mentality and actions of individuals. So providing an account of the microfoundations of a structure or causal connection -- say a paramilitary organization or of the causal connection between high interest rates and the incidence of alcohol abuse -- is a specification of the composition of the social-level fact. It is a description of the agent-level relationships and patterns of behavior that cohere in such a way as to bring about the higher-level structure or causal relationship.

The concept of microfoundations is directly relevant to explanation. If we assert a causal or explanatory relation between one social entity or condition and another, we must be prepared to offer a credible sketch of the ways in which this influence is conveyed through the mentalities and actions of individuals.

Much turns, however, on what precisely we mean to require of a satisfactory explanation: a full specification of the microfoundations in every case, or a sketch of the way that a given social-level process might readily be embodied in individual-level activities. If we go with the second version, we are licensing a fair amount of autonomy for the social-level explanation; whereas if we go with the first version, we are tending towards a requirement of reductionism from higher to lower levels in every case. I am inclined to interpret the requirement in the second way; it doesn't seem necessary to disaggregate every claim like "organizational deficiencies at the Bhopal chemical plant caused the devastating chemical spill" onto specific individual-level activities. We understand pretty well, in a generic way, what the microfoundations of organizations are, and it isn't necessary to provide a detailed account in order to have a satisfactory explanation.

The ontological position associated with microfoundationalism falls in the general area of methodological individualism and reductionism, in that it insists on the compositional nature of the social. However, there is a recursive aspect of the theory that distinguishes it from strict reductionism. The individuals to which microfoundations are traced are not a-social; rather, their psychology, beliefs and motives are constituted and shaped by the social forces they and others constitute. So the microfoundational account of the workings of a paramilitary organization may well refer to the locally embodied effects of that organization on the current psychology of the members of the organization; and their behavior in turn reproduces the organization in the next iteration. This is why I prefer the idea of methodological localism over that of methodological individualism (link).

The theory of microfoundations is also very consistent with the idea of social mechanisms. When we ask about the microfoundations of a social process, we are asking about the mechanisms that exist at a lower level that create and maintain the social process.

One way of motivating the theory of microfoundations is to observe that it is a prescription against "magical thinking" in the social realm. There is no "social stuff" that has its own persistent causal and structural characteristics; rather, all social phenomena are constituted by patterns of behavior and thought of populations of individual human beings. And likewise, social events and structures do not have inherently social causal properties; rather, the causal properties of a social structure or event are constituted by the patterns of behavior and thought of the individuals who constitute them and nothing else.

The theory of supervenience is often invoked to express the idea that social entities and properties are constituted by individuals. (Jaegwon Kim is the primary creator of the theory of supervenience in the philosophy of mind; Supervenience and Mind: Selected Philosophical Essays.) This basic idea is expressed as:

No difference at level N without some difference at lower level K.

The advantage of the theory of supervenience is that it provides a way of recognizing the compositional nature of higher-level entities without presupposing explanatory reductionism from one level to the lower level.

The explicit idea of microfoundations appears to have been first developed in the domain of microeconomics; there it referred to the necessity of deriving macroeconomic phenomena from the premises of rational economic behavior (Weintraub, Microfoundations: The Compatibility of Microeconomics and Macroeconomics). (Here is an interesting article by van den Bergh and Gowdy on recent analysis of the microfoundations debate in economics.) Maarten Jansen describes the theory of microfoundations in economics in his entry in The New Palgrave Dictionary of Economics and the Law:

The quest to understand microfoundations is an effort to understand aggregate economic phenomena in terms of the behavior of individual economic entities and their interactions. These interactions can involve both market and non-market interactions. The quest for microfoundations grew out of the widely felt, but rarely explicitly stated, desire to stick to the position of methodological individualism ..., and also out of the growing uneasiness among economists in the late 1950s and 1960s with the co-existence of two subdisciplines, namely microeconomics and macroeconomics, both aiming at explaining features of the economy as a whole. Methodological individualism, as explained in the entry on the topic, is the view according to which proper explanations in the social sciences are those that are grounded in individual motivations and their behavior.

The idea of microfoundations is now important in many areas of the social sciences, including especially sociology and political science. Particularly important were ideas formulated by James Coleman in Foundations of Social Theory. Coleman doesn't use the term "microfoundations" explicitly in this work, but his analysis of the relationship between the macro and the micro seems to imply a requirement of providing microfoundations as a condition on good explanations in the social sciences. The Coleman boat (link) seems to be a graphical way of representing the microfoundations of a macro-level fact.

A second mode of explanation of the behavior of social systems entails examining processes internal to the system, involving its component parts, or units at a level below that of the system. The prototypical case is that in which the component parts are individuals who are members of the social system. In other cases the component parts may be institutions within the system or subgroups that are part of the system. In all cases the analysis can be seen as moving to a lower level than that of the system, explaining the behavior of the system by recourse to the behavior of its parts. This mode of explanation is not uniquely quantitative or uniquely qualitative, but may be either. ... I call [this] the internal analysis of system behavior. (2)

Coleman's view here is complex, though, and isn't entirely unambiguous. Consider this qualification a few pages later, which refers unexpectedly to "emergent phenomena" and intermediate levels of explanatory mechanisms between the macro and the micro:

Those readers familiar with debates and discussions on methodological holism and methodological individualism will recognize that the position taken above on explanation is a variant of methodological individualism. But it is a special variant. No assumption is made that the explanation of systemic behavior consists of nothing more than individual actions and orientations, taken in aggregate. The interaction among individuals is seen to result in emergent phenomena at the system level, that is, phenomena that were neither intended nor predicted by the individuals. Furthermore, there is no implication that for a given purpose an explanation must be taken all the way to the individual level to be satisfactory. The criterion is instead pragmatic. (5)

Other more explicit advocates of the microfoundations principle are Jon Elster, John Roemer, Adam Przeworski, and other contributors to the theories of analytical Marxism (Analytical Marxism). Here is how I attempted to synthesize some of this thinking in 1994:

Marxist thinkers have argued that macro-explanations stand in need of microfoundations: detailed accounts of the pathways by which macro-level social patterns come about. These theorists have held that it is necessary to provide an account of the circumstsances of individual choice and action that give rise to aggregate patterns if macro-explanations are to be adequate. Thus in order to explain the policies of the capitalist state it is not sufficient to observe that this state tends to serve capitalist interests; we need to have an account of the processes through which state policies are shaped or controlled so as to produce this outcome. ("Microfoundations of Marxism," reprinted in D. Little, Microfoundations, Methods, and Causation, 4)

As noted in a prior post, the idea of microfoundations is also a core constituent of the methodology of analytical sociology (Peter Hedström, Dissecting the Social: On the Principles of Analytical Sociology).

In short, a fairly wide range of social science research today embraces the general idea of providing microfoundations for macro-level assertions. And this seems to be a very reasonable requirement, given what we know about how social entities, processes, and forces are composed.

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Posted in: analytical sociology,CAT_structure,holism,localism,microfoundations

Alternatives to analytical sociology

I've now spent a fair amount of time in the past month on the micro-macro link and the foundations of analytical sociology (AS). It is worth taking stock to consider how this approach relates to other important methodologies in sociology and the social sciences more generally.

To start: I've generally found the strictures of "microfoundations" and "agent-based explanations" as representing ontological constraints on sociological explanations rather than guides for empirical research. The constraints require, essentially, that all our explanations of social processes and causal connections need to be compatible with providing plausible micro-level accounts of how they work. This is somewhat analogous to the philosophy of atomism in pre-Socratic natural philosophy; atomism postulated that there was a most fundamental level of physical phenomena; that these "atoms" were discrete and indivisible; and that all natural phenomena are composed of atoms and their aggregations. But this philosophy doesn't prescribe how to pursue the science of chemistry.

So these constraints don't necessarily provide guidance about what social phenomena to study or how to study it. In particular, they don't imply that sociological research needs to flow from bottom up, and they don't imply that the content of sociology should derive from features of individual agency and psychology.

But it seems that advocates of AS believe that the framework goes beyond this; that it leads to research strategies and areas of empirical inquiry that are distinctive from those adopted by other approaches to sociology. Research needs to fit into one of the struts of Coleman's boat. It needs to provide an empirical understanding of some of the micro-micro linkages or the micro-macro linkages; and it needs to offer rigorous techniques for establishing causal connections from micro to macro. Hedstrom puts the point this way early in Dissecting the Social: On the Principles of Analytical Sociology:

To be explanatory a theory must specify the set of causal mechanisms that are likely to have brought about the change, and this requires one to demonstrate how macro states at one point in time influence individuals' actions, and how these actions bring about new macro states at a later point in time. (kindle location 139)

This brief summary of the central dogmas of AS provides one reason why AS theorists are so concerned to have adequate and tractable models of the actor -- often rational actor models. Thomas Schelling's work provides a particularly key example for the AS research community (Micromotives and Macrobehavior, Choice and Consequence, Strategies of Commitment and Other Essays); in field after field he demonstrates how micro motives aggregate onto macro outcomes. And Elster's work is also key, in that he provides some theoretical machinery for analyzing the actor at a "thicker" level -- imperfect rationality, self-deception, emotion, commitment, and impulse (Explaining Social Behavior: More Nuts and Bolts for the Social Sciences, Sour Grapes: Studies in the Subversion of Rationality, Ulysses Unbound: Studies in Rationality, Precommitment, and Constraints, Alchemies of the Mind: Rationality and the Emotions).

This summary also shows why agent-based modeling and simulations are so attractive to AS researchers: these techniques offer tractable methods for aggregating the effects of lower-level features of social life onto higher-level outcomes. If we represent actors as possessing characteristics of action X, Y, Z, and we represent their relations as U, V, W -- how do these actors in social settings aggregate to mid- and higher-level social patterns? This is the key methodological challenge that drives the Santa Fe Institute, and it produces very interesting results (link). (Here is an interesting recent paper on agent-based simulations for the social sciences by Dirk Helbing and Stefano Balietti called "How to Do Agent-Based Simulations in the Future: From Modeling Social Mechanisms to  Emergent Phenomena and Interactive Systems Design" (link).)

There certainly is intellectual power in this approach -- actors in social relations and the aggregation of their actions; but it isn't the whole of sociology. So let's quickly consider a few examples of sociological research that seem fairly distant from AS and consider how they might relate.

We might consider such fertile social scientists as Jack Goldstone, Theda Skocpol, Charles Tilly, Andrew Abbott, Emmanuel Wallerstein, Pierre Bourdieu, Stanley Lieberson, George Steinmetz, Douglas Massey, and Erving Goffman, with respect to these questions:

• To what extent do their theories rely on "mechanisms" as a foundation for social explanations? 
• Are their theories compatible with the requirement of microfoundations at a local actor level? 
• Do they have a theory of the actor?  
• And do they make use of social ontologies that presuppose large social causes and macro causal relationships?  

In many instances some but not all answers to these questions will be affirmative.  Goffman and Bourdieu have a theory of the actor; Tilly and Lieberson appeal to social mechanisms; and in different ways I would say that each of them offer theories that are compatible with the requirement of microfoundations.  At the same time, the explanatory logic that these authors provide is rarely "aggregative"; they are not interested in showing how a macro phenomenon is the aggregate result of local actors' choices.  Moreover, several of them make specific and deliberate use of macro factors as central explanatory constructs: Goldstone, Skocpol, Wallerstein, and Massey. And Tilly explicitly criticizes the individualism that is characteristic of rational-actor theories, preferring a relational understanding of social phenomena.  So there isn't an easy translational relationship between AS and a number of other important and productive research traditions in sociology today.

One interesting data point on this question of the relationship between AS and other approaches to social explanation can be examined in Kathleen Thelen's contribution to Renate Mayntz, Akteure – Mechanismen – Zur Theoriefähigkeit makro-sozialer Analysen. (The book is very interesting and is available as a PDF download; link.)

Thelen is a brilliant scholar within the new historical institutionalism perspective (How Institutions Evolve: The Political Economy of Skills in Germany, Britain, the United States, and Japan), and her contribution to the Mayntz volume ("The Explanatory Power of Historical Institutionalism") implicitly aims at tracing out some of the points of contrast between AS and historical institutionalism. She highlights several key methodological and theoretical assumptions underlying current research in historical institutionalism: attention to the formation of collective interests (92), attention to context (93), attention to meso- and macro-causal analysis (95), and sensitivity to the temporal dimension of social processes (96).  Here are some representative passages:

Thus, historical institutionalists have consistently drawn attention to the way in which institutional configurations »foster the emergence of particular definitions of mutual interest« (Immergut 1998: 339), and how they also often shape political outcomes by facilitating the organization of certain groups while actively disarticulating others (e.g., Skocpol 1992). (92)

A good deal of historical-institutional scholarship shows that the impact of institutions is often heavily mediated by features of the overarching political or historical context, a point that Charles Ragin’s work has repeatedly emphasized and underscored (Ragin 1987; also Katznelson 1997). (93)

However, beyond that, the emphasis on timing and sequencing in historical institutional research is also motivated by the insight, borne out in a number of studies, that when things happen, or the order in which different processes unfold, can itself be an extremely important part of the causal story (Pierson 2000c). (97)

Thus, for example, a number of authors have suggested that rational choice institutionalism applies best to understanding the strategic interaction of in- dividuals in the context of specific, well established and well known rules and parameters (e.g., Bates 1997; Geddes 1995). By contrast to this, the strength of historical-institutional approaches is precisely in the leverage it provides on understanding configurations of institutions (Katznelson 1997) and over much longer stretches of time (Pierson 2001). Historical institutionalism is concerned not just with how a particular set of rules affects the strategic orientation of individual actors and their interactions, but also with the broader issue of the ways in which institutional configurations define what Theda Skocpol has termed »fields of action« that have a very broad influence not just on the strategies of individual players but on the identities of actors and the networks that define their relations to each other. (103-4)

My takeaway from Thelen's thinking here and elsewhere is that there is a pretty significant methodological divide between her way of thinking about social processes and that of AS.  She highlights a handful of characteristics of HI research.  Historical institutionalists are inclined to focus on the meso level -- the settings of rules, norms, and processes through which social life is mediated; and they are sensitive to the crucial variations across time and place that these arrangements illustrate.  Nothing in this construction is antithetical to the requirement of microfoundations and the recognition that socially situated actors constitute the social world; but the emphasis of the research is not on the discovery of the aggregation dynamics from the level of the individual actor.

So I'm inclined to judge two things: first, that the methodological requirement of microfoundations is indeed a universal requirement on valid sociological research; but second, that the program of aggregation from micro to macro is only one way of conducting sociological research and explanation. So we shouldn't expect other areas of sociological thinking and research to simply fold into the framework of analytical sociology -- any more than a common commitment to natural selection as the causal mechanism underlying species change dictates the content and methods of the various areas of biology.

This is a place where the ontological framework of social structures that Dave Elder-Vass provides in The Causal Power of Social Structures: Emergence, Structure and Agency seems methodologically useful.  It provides a rigorous basis for conceding the point that context, institutions, moral ideas, and value systems have a causal role to play in social explanation.  In E-V's view, these social structures supervene upon facts about individual actors; but their causal properties do not need to be reduced to features of the actors.

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Posted in: analytical sociology,CAT_disciplines,microfoundations

Marx an analytical sociologist?

In an earlier post I gave a brief sketch of the emerging field of analytical sociology, and summarized its foundations around three premises: microfoundations, rational social actors, and causal mechanisms.

Marx is often thought to be a "structuralist" thinker, highlighting large social processes and entities such as the mode of production, the economic structure, and social class (for example, by Althusser and
Balibar in Reading Capital). However, I argued in The Scientific Marx (1986) that a careful examination of Marx's economic writings reveals something quite different. I argued, first, that Marx embraced the idea that social explanations require microfoundations.

Marxist social science commonly has advanced macro explanations of social phenomena in which the object of investigation is a large-scale feature of society and the explanans is a description of some other set of macro phenomena. Some Marxist social scientists have recently argued, however, that macro explanations stand in need of microfoundations: detailed accounts of the pathways by which macrolevel social patterns come about. These theorists have held that it is necessary to describe the circumstances of individual choice and action that give rise to aggregate patterns if macroexplanations are to be adequate. Thus to explain the policies of the capitalist state it is not sufficient to observe that this state tends to serve capitalist interests; we need an account of the processes through which state policies are shaped and controlled so as to produce the outcome. (127-28)

Consider now a second issue underlying the call for "microfoundations" for Marxian explanations: the gap between the interests of a group as a collective and the interests of the individuals who comprise the group. (John Roemer refers to this as the "aggregation gap.") "Rational-action" explanations depend on identifying an individual's interests and then explaining the person's behavior as the rational attempt to best serve those interests. The model is often extended to account for collective behavior of groups as well.... However, Mancur Olson and others have made it plain ... that it is not sufficient to refer to collective interests in order to explain individual behavior. (129-30)

In both cases the objection being advanced to macro-Marxism is grounded in a recognition that there are no supraindividual actors in a society. (131)

After examining several examples of Marx's most important explanations, I conclude that his arguments conform to the requirements of the microfoundations principle. His most characteristic explanations proceed from reasoning about the actions of typical individuals within capitalist institutions to an effort to aggregate these individual choices up to the level of larger collective patterns.

Second, I argued that Marx's explanations were almost always grounded in an analysis that highlighted rational individual decision-making. But Marx differed from the perspective we would now call "public choice theory" in that he gave much greater attention to the historically specific motives and values of the actor.  Marx highlighted what we might now call "political psychology" of the actor -- the socially specific ideas, motivations, and ideologies that the actor acquired through ordinary experience of capitalism. So there is a developed "action theory" present in Marx's writings.  It is a theory that gives prominence to means-end rationality.  And it gives attention to the social specificity of the actor as well.  

Here is how I described Marx's assumptions about the actors within capitalism in TSM:

Marx's accounts depend on an examination of the circumstances of choice of rational individuals. Marx identifies a set of motivational factors and constraints on action for a hypothetical capitalist and then tries to determine the most rational strategies available to the capitalist in these circumstances of choice.... A second part of this model of explanation involves an attempt to determine the consequences for the system as a whole of the forms of activity attributed to the typical capitalist at the preceding stage of analysis. (141-42)

But Marx has a nuanced and socially specific conception of the actor:

Against both these positions -- the nonsocial individualism of political economy and the uncritical holism of speculative philosophy -- Marx puts forward an alternative position. On this account the socialized individual is the ultimate unit of analysis in social explanation. "Individuals producing in society -- hence socially determined production -- is of course the point of departure" (Grundrisse 83).... On this account society is not a freestanding entity, and social relations exist only through the individuals who stand within them. At the same time, however, individuals exist only within particular sets of historically given social relations. Consequently, social explanations must begin with a concrete conception of the individual within specific social relations." (150)

These assumptions about social actors conform fairly well to the assumptions incorporated into analytical sociology.  

And third, I argued that Marx offered causal mechanism explanations based on an analysis of what I termed the "institutional logic" of a particular social setting. So various features of capitalism are explained as resulting from rational actors situated within a particular set of institutions. These accounts serve as descriptions of the social mechanisms through which capitalist dynamics take place.

Marx attempts to work out the institutional logic of these capitalist institutions. What distinctive features of organization and development are imposed on the capitalist economy by its defining structural and functional characteristics? What are the "laws of motion" of the mode of production defined by these conditions? We may call this an institutional-logic analysis of social regularities, and it is significantly different from the construction of theoretical explanations in natural science. Such an analysis is concerned with determining the results for social organization and development of an entrenched set of incentives and constraints on individual action. (34)

Marx's interest in discovering and elaborating the social mechanisms that drive social processes is found within his theory of historical materialism as well.  In TSM I argue that Marx's claims about causation between levels of the social and economic structures of various modes of production are best understood as "mechanisms" explanations.

In order to understand fully this view of the relation between the economic structure and noneconomic phenomena, it is necessary to describe the mechanisms through which the lower-level structures constrain or filter superstructural elements. The filtering may occur through a variety of mechanisms, both intended and unintended. (56)

This account of Marx's implicit theory of social explanation -- microfoundations, rationality, and mechanisms -- reproduces Coleman's boat (Foundations of Social Theory).  The institutions and structures of capitalism create a local environment of choice for individual capitalists and workers, and their behavior aggregates to a macro-outcome of interest (for example, the falling tendency in the rate of profit). This is a "logic of institutions" argument in a specific sense. The institutions (property relations) create an environment of choice in which actors pursue specific strategies, and these strategies aggregate to a certain kind of macro-level outcome. These are the "laws of motion" of the capitalist mode of production, in Marx's terms. And it is a mechanisms-based explanation in a specific sense as well. Marx is deliberately seeking out the social mechanisms through which the institutional setting produces a set of macro-outcomes, through their influence on the behaviors of the actors. The Scientific Marx offers a handful examples of these aggregative explanations. The point here is that this logic conforms very well to the framework of thought associated with analytical sociology.

There is one additional point of convergence between the methods I identified in Marx's writings in 1986 and the current doctrines of analytical sociology. I argued that the covering law model of explanation and the deductive-nomological model of justification did not work at all well in application to Marx's reasoning. The reason? Because the covering law model assumes that explanatory warrant proceeds from laws and regularities, whereas the heart of Marx's explanations rests upon the discovery of particular social processes and mechanisms.

Do Marx's explanations conform to the subsumption theory? ... There are statements of lawlike regularities in Marx's explanations, but these statements are somewhat trivial.... The real weight of the argument lies elsewhere: in the particular details of the circumstances of choice in which capitalists find themselves, and in Marx's reasoning from these circumstances to patterns of collective behavior. (152) [Or in other words, he seeks to uncover the social mechanisms of capitalism and their aggregative dynamics.]

The process of discovering an institutional logic is not merely one of working out the deductive consequences of the theory; it is rather discovering new aspects of the social process. These aspects are perhaps "implicit" in the original theory, but their discovery is a substantive one, not a mere deductive exercise. (153)

Here too there is a strong affinity between Marx's theory of science (as I interpreted it in 1986, anyway) and the philosophy of social explanation developed within analytical sociology.

So it looks as though Marx's analysis of capitalist society -- at least as it is reconstructed in The Scientific Marx -- falls squarely within what we would now call "analytical sociology" with a commitment to microfoundations, mechanisms, and socially constituted purposive actors. What a surprise!

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Posted in: analytical sociology,CAT_aggregation,Marx,microfoundations,rational choice theory

Aggregation dynamics

The social world starts with social individuals. So how do we get more complex social outcomes out of the actions and thoughts of independent individuals? How do the actions and thoughts of individuals aggregate into larger social happenings? How did the various religious, political, and relational attitudes of rural Kenyans aggregate to widespread ethnic violence a few years ago? What sorts of conditions lead to interactions that bring about unexpected outcomes? And, of course, how do larger social happenings impinge upon individuals, leading to characteristic kinds of socialized behavior?

These are questions I've usually addressed from the other angle -- the "dis-aggregation" angle. I've asked how large social entities and processes can be disaggregated into actions and relationships pertaining to socially situated individuals. This is what we're aiming at when we ask for microfoundations for things like state power or the changing impact of Islam. Here, though, let's look at the upward-facing processes.

Here are some examples of the kinds of happenings and situations that we might be interested in:

• collective social behaviors: riots, uprisings, boycotts, protests, panics, runs on the bank
• coordinated actions by differentiated but organized groups: design of a new model vehicle at General Motors, movement of a tank squadron through a battle zone, actions by squads of fire fighters in a large forest fire
• shifts of valuations and attitudes: styles, slang, inter-ethnic attitudes, diffusion of religious beliefs, dissemination of rumors through a population
• preservation of stable organizations and structures: maintenance of the rules governing shop-floor behavior in a factory, sustaining command authority within a military organization, keeping a sustainable level of parent involvement in a cooperative childcare center, keeping a reasonably high level of taxpayer compliance within a mass society

How do the reasonings, thoughts, and choices of socially situated individuals aggregate and link together in ways that constitute these higher-level phenomena?

Some social outcomes are essentially agglomerative. A riot sometimes occurs when a small group of people have a grievance and a provocation; a larger group share sympathy with the original rioters; others see the behavior and join for their own reasons; and in a few hours thousands of people are breaking windows, setting cars on fire, and blocking the streets.

Second, some outcomes are the result of strategic behavior by a number of individuals. Competition leads agents to tailor their actions in such a way as to take advantage of the expected behavior of others; cooperation leads individuals to attempt to coordinate their behavior so as to bring about an outcome that the group prefers. These are the kinds of aggregative processes that Thomas Schelling describes in Micromotives and Macrobehavior; and, of course, some of the outcomes of both competitive and cooperative behavior are paradoxical with respect to the interests and intentions of the individuals who take part in them.

Third, some outcomes come about because individuals have constituted themselves as collective agents; they have come to identify themselves as members of a group and they behave deliberately out of consideration for what other members in the group will do. Their behavior is oriented to the behavior and intentions of the others in the group. They specifically strive to coordinate their actions with others through a shared set of social goals, identities, and attitudes. Raimo Tuomela explores this perspective in The Philosophy of Sociality: The Shared Point of View.

Other outcomes are largely structured by imperatives (rules or commands) conveyed through delineated social relationships from a group of decision makers to a group of agents. This is the key subject matter of the study of organizations and institutions. The Midwest account manager for a national bank issues instructions to loan officers throughout the region to do this or that; communications are sent out, supervisors are instructed to observe compliance, and loan officers change their behavior. This process too works through the incentives and purposes of a set of dispersed agents; but in this case there is a substantial degree of top-down coordination that is secured through communication channels and a supervisory structure.

The dynamics of competition and cooperation are well understood; the ideas of a prisoners' dilemma, tragedy of the commons, and race to the bottom capture some of the logic of independent individuals each seeking to maximize their own interests (Mancur Olson, The Logic of Collective Action: Public Goods and the Theory of Groups, Thomas Schelling, Micromotives and Macrobehavior). But cooperation too has its logic; even when a group of individuals are seeking to find a common strategy to further their group interests, it is easy to spot the organizational obstacles that stand in the way: lack of consensus, imperfect communication, etc. These are aggregation dynamics that derive from the logic of individual agency.

And the dynamics of organizations and systems of rules likewise have some obvious characteristics. Costs of enforcement mean that an institution's rules are only imperfectly enforced. Conflicts of interests among powerful actors lead to inefficient behavior within the organization (e.g. ministry of steel and ministry of railroads). Well known organizational shortfalls like the principal-agent problem, imperfect and costly communications transmission, and costly information all lead organizations to fail in somewhat predictable ways. Robert Bates (Markets and States in Tropical Africa: The Political Basis of Agricultural Policies) and Charles Perrow (Normal Accidents: Living with High-Risk Technologies, The Next Catastrophe: Reducing Our Vulnerabilities to Natural, Industrial, and Terrorist Disasters) each capture some of the imperfections of organizations in their works. These are aggregation dynamics that derive from more structural features of systems of rules, roles, and actors.

Let's look at an example of an aggregate-level phenomenon a bit more closely. Take style change over space and time. There are several different types of actors: street-level people who wear clothes with some degree of intentionality (want to look cool); street-level innovators (the first person to wear droopy jeans); clothing designers who want to influence the market for clothes through innovations that will be adopted by the public; "cool" finders who are looking for emerging innovations in hot places; marketers who specifically design strategies for proliferating new designs at Banana Republic or Abercrombie and Fitch. In this space of actors, consumers, and creators it sometimes happens that a new fashion emerges and quickly spreads to a larger population; how does this occur? What are the mechanisms of diffusion and adoption that lead to the success of a new look in denim jackets deriving ultimately from Seattle skateboarder culture? Stan Lieberson looks at some of these surprising dynamics in A Matter of Taste: How Names, Fashions, and Culture Change.

I won't try to catalogue here all the pathways through which individual actors aggregate into larger social happenings. But it seems clear that several factors are key to any such discussion: communication channels, organizations, and social networks.

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Posted in: analytical sociology,CAT_collective action,microfoundations

Social networks as aggregators

We think of social phenomena as "relational" in some important respect. Individuals contribute to social outcomes through structured and dynamic relationships with other individuals. So outcomes are not just heaps of aggregated individual behavior; rather, they are the filigreed result of interlinked, coordinated, competitive and sometimes unintended actions of people who have intentional and structural relationships to each other. And we think of these relationships, often, in terms of the metaphors and analytics of social "networks." So it is worthwhile giving some thought to how the machinery of social network theory can help us in better understanding the ways that social processes unfold. Here is a nice passage from Mario Diani's introduction to Social Movements and Networks: Relational Approaches to Collective Action.

It is difficult to grasp the nature of social movements. They cannot be reduced to specific insurrections or revolts, but rather resemble strings of more or less connected events, scattered across time and space; they cannot be identified with any specific organization either, rather they consist of groups of organizations, with various levels of formalization, linked in patterns of interaction which run from the fairly centralized to the totally decentralized, from the cooperative to the explicitly hostile. Persons promoting and/or supporting their actions do so not as atomized individuals, possibly with similar values or social traits, but as actors linked to each other through complex webs of exchanges, either direct or mediated. Social movements are in other words, complex and highly heterogeneous network structures. (1)

This passage emphasizes quite a few themes that have been important throughout UnderstandingSociety -- the heterogeneity of social phenomena, the difficulty of formulating a clear understanding of social ontology, and the challenge of representing the processes of aggregation through which individual social actions contribute to mid- and large-scale social outcomes.

So how do the analytical resources of network theory contribute to a better understanding of the ways that actions aggregate into outcomes?  Diani emphasizes several ways in which network analysis has contributed to the study of contentious politics. 

Network analysis as it is best known developed with reference to a 'realist' view of social structure as networks which linked together concrete actors through specific ties, identifiable and measureable through reliable empirical instruments. This view represented an alternative to both views of social structures as macro forces largely independent from the control of the specific actors associated with them ...., and views of structure as aggregates of the individual actors sharing determinate specific traits (5).

So if we take it as a plain fact about the social world that individuals have a range of meaningful and material relationships with other individuals, both proximate and distant, then it is plainly important to understand the effects that those relationships have on their consciousness and behavior.  These causal relationships are likely to extend in both directions -- from the network to the actor, and from the actor back into the network.

What kinds of social relationships are most relevant to understanding social processes like contentious movements?  Particularly important are "personal ties linking prospective participants to current activists or dense counter-cultural networks affecting rates of mobilization in specific areas" (3).  Diani mentions "personal friends, relatives, colleagues, and neighbours; ... people who share with prospective participants in some kind of collective engagement, such as previous or current participation in other movement activities, political or social organizations, and public bodies" (7).  To this list we might add membership and interaction within the kinds of civic and communal organizations that Robert Putnam emphasizes in Bowling Alone: The Collapse and Revival of American Community.

Here is the key point: different people find themselves in very different networks of social connections, and these relationships contribute to their social and political consciousness in diverse ways.  If we are interested in the spread of militant civil rights activism, as Doug McAdam is in Political Process and the Development of Black Insurgency, 1930-1970, or in the spread of fascist activism and mobilization in Europe in the 1920s and 1930s, as Michael Mann is in Fascists, it is highly relevant to discover the relationships and organizations through which individuals come into contact with each other and with the ideas of the nascent movements.  Likewise, if we are interested in the proliferation of support for the Deacons of Defense in the American South in the 1950s and 1960s, as Lance Hill is in The Deacons for Defense: Armed Resistance and the Civil Rights Movement, then it is important to identify the personal and organizational linkages through which ordinary people became aware of this response to white supremacy and violence.  Communication of ideas and political emotions requires a mechanism connecting the "signallers" and those to whom the messages eventually percolate, and this is not a depersonalized, homogeneous process.

Recruitment and mobilization is one aspect of contentious politics where social networks are plainly important.  Relationships in the workplace, the neighborhood, or the church or mosque are a likely location for the diffusion of a range of socially relevant material -- news, gossip, indignation, shared views about politics.  And these relationships are a potential vector for the recruitment of followers and activists for a range of new political ideas -- from civil rights to Tea Party to fascism.  

Identifying coalitions of collective actors is another area of current research.  Once a topic has gained some degree of visibility and salience, it is likely enough that multiple groups will begin to focus on it.  Anti-tax activism is a good example -- dozens of "citizen-based" organizations emerged in California in the 1950s and 1960s with the overall goal of limiting property and income taxes in the state, and it is useful to track the emerging relationships that developed among these organizations and their activists.

Diani also highlights the role that concrete social networks play in "framing and tactical adaptation of action repertoires" (4).  Framing has to do with the ways that issues are understood by the participants; so this topic unavoidably has to do with culture and social interpretation.  But the ways in which cultural frames are conveyed to people through a population are material processes that can be studied empirically.  And social networks play a key role in these processes.  As people interact with their friends and associates, they develop their political and social representations of the society around them.  These interactions are the direct embodiment of their social networks.  Diani singles out "communitarian and subculture networks" for particular attention: "communitarian ties operate at a minimum to strengthen the identity and solidarity among movement activists and sympathizers. At the same time, though, they provide the specific locus of social conflict in those cases where the challenge is eminently on the symbolic side and where, in other words, the definition of identities and the preservation of opportunities for the enactment of alternative lifestyles are mainly at stake" (9).  These features of identity-based mobilization, through networks of like-minded individuals, are important in Michael Mann's analysis of the rise of fascism in Fascists as well: 

The fascist core consisted everywhere of two successive generations of young men, coming of age between WorldWar I and the late 1930s. Their youth and idealism meant that fascist values were proclaimed as being distinctively “modern” and “moral.” They were especially transmitted through two institutions socializing young men: secondary and higher education, encouraging notions of moral progress, and the armed forces, encouraging militarism. Since the appeal was mainly to young men, it was also distinctly macho, encouraging an ethos of braggart, semi-disciplined violence, in peacetime encouraging militarism to mutate into paramilitarism. The character of fascism was set by young men socialized in institutions favorable to moralizing violence and eventually to murder. Yet the similarity of values between paramilitarism and militarism always gave fascism a capacity to appeal to armed forces themselves, not to the extent of inducing military rebellions but to the extent of generating sympathy there that at its most extreme could immobilize the army. (26)

“Fascists” were not fully formed at the moment they entered the movement. People may formally sign up for a movement and yet possess only a rudimentary knowledge of it – sympathy for a few slogans, respect for a charismatic F¨uhrer or Duce, or simply following friends who have joined. Most recruits joined the movement young, unmarried, unformed, with little adult civilian experience. On them, fascist parties and paramilitaries were especially powerful socialization agencies. These movements were proudly elitist and authoritarian, enshrining a pronounced hierarchy of rank and an extreme cult of the leader. Orders were to be obeyed, discipline to be imposed. Above all, they imposed a requirement of activism. Thus militants experienced intense emotional comradeship. Where the movement was proscribed, clandestinity tightened it. Many activists lost their jobs or went into prison or exile. Though this deterred many of the more fainthearted, among those remaining active such constraints further tightened the movement. (28)

The social processes that Mann describes here have to do with all three aspects -- recruitment, mobilization, and framing; and they depend on the networks of relationships through which the core fascist values and worldviews were transmitted to new recruits.  Institutions were key in this transmission -- the military, the workplace, the youth organization -- and a large part of their influence was their ability to create a significant cohort of young men with a specific set of set of social relationships.

The lens of social networks, in short, seems to be a very powerful tool for understanding the processes of aggregation -- upward, downward, and lateral -- through which ideas, grievances, and actors come together into major social upheavals and movements.

What is perhaps more difficult to see, though, is how to engage in empirical research on the concrete networks of social relationships that have important effects on outcomes we care about.  As the United States moved towards civil war in 1860 and 1861, there were hundreds or thousands of individuals in the U.S. Army officer corps who had antecedently mixed loyalties -- Southern birth, family still residing in the South, but a tradition of education and service within the U.S. Army.  So what accounts for the choices that were made by various officers when they had to decide -- North or South? It is intuitively plausible that each officer's concrete social network played an important role in his decision -- appeals from family and friends, business relationships in Virginia, long-standing relationships with senior Northern officers, an education and cohort at West Point.  But it is not entirely clear how to turn this plausible view into a feasible research plan.

This is one reason why the Diani volume is such a worthwhile contribution.  Most of the contributors focus their work on specific empirical problems in the field of social contention.  Maryjane Osa looks at activist networks in the Polish People's Republic; Christopher Ansell looks at community activism in the San Francisco Bay environmental movement; Jeff Broadbent looks at social networks in the Japanese environmental movement; and Chuck Tilly and Lesley Wood look at networks in contentious episodes in British history around 1828.  These are concrete, empirical-historical efforts to take the guiding ideas of network analysis and discover some substantive insights into the specific ways that a variety of protest movements unfolded.  And they give a better understanding of the contribution that social network analysis can offer to concrete historical research.

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Posted in: analytical sociology,CAT_collective action,microfoundations,mobilization,networks