Margaret Gilbert

The everyday concept of a social group is approached by examining the concept of going for a walk together, an example of doing something together, or "shared action". Two analyses requiring shared personal goals are rejected, since they fail to explain how people walking together have obligations and rights to appropriate behavior, and corresponding rights of rebuke. An alternative account is proposed: those who walk together must constitute the "plural subject" of a goal. The nature of plural subjecthood, the thesis that social groups are plural subjects, and the relation of these ideas to Rousseau's and Hobbes 's, are briefly explored

Typical agreements can be seen as joint decisions, inherently involving obligations of a distinctive kind. These obligations derive from the joint commitment' that underlies a joint decision. One consequence of this understanding of agreements and their obligations is that coerced agreements are possible and impose obligations. It is not that the parties to an agreement should always conform to it, all things considered. Unless one is released from the agreement, however, one has some reason to conform to it, whatever else is true. In this sense, one is under an obligation to the other parties. The relevance of these points to the issue of political obligation is discussed.

Among other things, this paper considers what so-called collective guilt feelings amount to. If collective guilt feelings are sometimes appropriate, it must be the case that collectives can indeed be guilty. The paper begins with an account of what it is for a collective to intend to do something and to act in light of that intention. An account of collective guilt in terms of membership guilt feelings is found wanting. Finally, a "plural subject" account of collective guilt feelings is articulated, such that they involve a joint commitment to feel guilt as a body.

Collective action is interpreted as a matter of people doing something together, and it is assumed that this involves their having a collective intention to do that thing together. The account of collective intention for which the author has argued elsewhere is presented. In terms that are explained, the parties are jointly committed to intend as a body that such-and-such. Collective action problems in the sense of rational choice theory—problems such as the various forms of coordination problem and the prisoner’s dilemma—are then considered. An explanation is given of how, when such a problem is interpreted in terms of the parties’ inclinations, a suitable collective intention resolves the problem for agents who are rational in a broad sense other than the technical sense of game theory. Key Words: rationality • collective action • collective intention • joint commitment.

This article explores the question: what is it for two or more people to intend to do something in the future? In a technical phrase, what is it for people to share an intention ? Extending and refining earlier work of the author’s, it argues for three criteria of adequacy for an account of shared intention (the disjunction, concurrence, and obligation criteria) and offers an account that satisfies them. According to this account, in technical terms explained in the paper, people share an intention when and only when they are jointly committed to intend as a body to do such-and-such in the future. This account is compared and contrasted with the common approach that treats shared intention as a matter of personal intentions, with particular reference to the work of Michael Bratman.

What is it for a group to believe something? A summative account assumes that for a group to believe that p most members of the group must believe that p. Accounts of this type are commonly proposed in interpretation of everyday ascriptions of beliefs to groups. I argue that a nonsummative account corresponds better to our unexamined understanding of such ascriptions. In particular I propose what I refer to as the joint acceptance model of group belief. I argue that group beliefs according to the joint acceptance model are important phenomena whose aetiology and development require investigation. There is an analogous phenomenon of social or group preference, which social choice theory tends to ignore.

I argue that obligations of an important type inhere in what I call 'joint commitments'. I propose a joint commitment account of everyday agreements. This could explain why some philosophers believe that we know of the obligating nature of agreements a priori. I compare and contrast obligations of joint commitment with obligations in the relatively narrow sense recommended by H. L. A. Hart, a recommendation that has been influential. Some central contexts in which Hart takes there to be obligations in his sense are contexts in which there are obligations of joint commitment. Nonetheless, different senses of 'obligation' appear to be at issue

This article will compare and contrast two very different accounts of convention: the game-theoretical account of Lewis in Convention, and the account initially proposed by Margaret Gilbert (the present author) in chapter six of On Social Facts, and further elaborated here. Gilbert’s account is not a variant of Lewis’s. It was arrived at in part as the result of a detailed critique of Lewis’s account in relation to a central everyday concept of a social convention. An account of convention need not be judged by that standard. Perhaps it reveals the nature of an important phenomenon. Looked at in that light, these very different accounts are not incompatible. Indeed, neither should be ignored if one is seeking to understand the way in which human beings arrive at some degree of social order.

In everyday discourse groups or collectives are often said to believe this or that. The author has previously developed an account of the phenomenon to which such collective belief statements refer. According to this account, in terms that are explained, a group believes that p if its members are jointly committed to believe that p as a body. Those who fulfill these conditions are referred to here as collectively believing* that p. Some philosophers – here labeled rejectionists – have argued that collective belief* is not belief but rather acceptance. This paper presents several arguments against rejectionism. One has to do with the proper methodology for arriving at an account of belief. Two address rejectionist claims to the effect that collective beliefs* lack key features of belief in general, the features in question being “aiming at truth” and having a particular relation to the will. A fourth notes that there is a phenomenon more apt for the label of “collective acceptance” than is the phenomenon of collective belief*

What is it to do something with another person? In the author's book On Social Facts and elsewhere, she has conjectured that a special type of commitment - joint commitment - lies at the root of acting together and many other central social phenomena. Here she surveys some data pertinent to this conjecture, including the assumption of those who act together that they have associated rights against and obligations towards each other. She explains what joint commitment is, how it relates to the data noted, and argues that an appeal to joint commitment does not involve a pernicious form of holism.

Does one have special obligations to support the political institutions of one’s own country precisely because it is one’s own? In short, does one have political obligations? This book argues for an affirmative answer, construing one’s country as a political society of which one is a member, and a political society as a special type of social group. The obligations in question are not moral requirements derived from general moral principles. They come, rather, from one’s participation in a special kind of commitment: a joint commitment. This theory is referred to as the plural subject theory of political obligation since, by the author’s definition, those who are party to any joint commitment constitute a plural subject of some action in a broad sense of the term. Several alternative theories are compared and contrasted with plural subject theory, with a particular focus on the most famous — actual contract theory — according to which membership in a political society is a matter of participation in an agreement. The book offers plural subject accounts of both social rules and everyday agreements, and includes discussion of political authority and punishment.

Can teams and other collectivities have preferences of their own, preferences that are not in some way reducible to the personal preferences of their members? In short, are collective preferences possible? In everyday life people speak easily of what we prefer, where what is at issue seems to be a collective preference. This is suggested by the acceptability of such remarks as ‘My ideal walk would be . . . along rougher and less well-marked paths than we prefer as a family’. One can imagine, indeed, that each member of a given family prefers something other than what the family prefers. What, then, do the collective preferences of everyday understanding amount to?

One of the most distinguished living social philosophers, Margaret Gilbert develops and extends her application of plural subject theory of human sociality, first introduced in her earlier works On Social Facts and Living Together. Sociality and Responsibility presents an extended discussion of her proposal that joint commitments inherently involve obligations and rights, proposing, in effect, a new theory of obligations and rights. In addition, it demonstrates the extensive range and fruitfulness of plural subject theory by presenting accounts of social rules, scientific change, political obligation, collective remorse, collective guilt, shared intention and an important class of rights and obligations

Can it ever be appropriate to feel guilt just because one's group has acted badly? Some say no, citing supposed features of guilt feelings as such. If one understands group action according to my plural subject account of groups, however, one can argue for the appropriateness of feeling guilt just because one's group has acted badly - a feeling that often occurs. In so arguing I sketch a plural subject account of groups, group intentions and group actions: for a group to intend (in the relevant sense) is for its members to be jointly committed to intend that such-and-such as a body. Individual group members need not be directly involved in the formation of the intention in order to participate in such a joint commitment. The core concept of joint commitment is in an important way holistic, not being reducible to a set of personal commitments over which each party holds sway.

Philosophers using game-theoretical models of human interactions have, I argue, often overestimated what sheer rationality can achieve. (References are made to David Gauthier, David Lewis, and others.) In particular I argue that in coordination problems rational agents will not necessarily reach a unique outcome that is most preferred by all, nor a unique 'coordination equilibrium' (Lewis), nor a unique Nash equilibrium. Nor are things helped by the addition of a successful precedent, or by common knowledge of generally accepted personal principles. Commitments like those generated by agreements may be necessary for rational expectations to arise. Social conventions, construed as group principles (following the analysis in my book On Social Facts), would suffice for this task.

The author develops and elaborates on her account of collective belief, something standardly referred to, in her view, when we speak of what we believe. This paper focuses on a special response hearers may experience in the context of expressions of belief, a response that may issue in offended rebukes to the speaker. It is argued that this response would be appropriate if both speakers and hearers were parties to what the authors calls a joint commitment to believe a certain proposition as a body. This joint commitment puts speakers under an obligation to refrain from speaking in certain ways, and gives hearers a correlative right to such refraining, and hence a basis for offended rebukes.

Do people have obligations by virtue of the fact that a given country is their country? Actual contract theory says they do because they have agreed to act in certain ways. Contemporary philosophers standardly object in terms of the 'no agreement' objection and the 'not morally binding' objection. I argue that the 'not morally binding' objection is not conclusive. As for the 'no agreement' objection, though actual contract theory succumbs, a closely related plural subject theory of political obligation does not. Plural subject theory may be the truth in actual contract theory and should be explored in its stead.