Contractarianism

First published Sun Jun 18, 2000; substantive revision Wed Mar 15, 2017

“Contractarianism” names both a political theory of the legitimacy of political authority and a moral theory about the origin or legitimate content of moral norms. The political theory of authority claims that legitimate authority of government must derive from the consent of the governed, where the form and content of this consent derives from the idea of contract or mutual agreement. The moral theory of contractarianism claims that moral norms derive their normative force from the idea of contract or mutual agreement. Contractarians are skeptical of the possibility of grounding morality or political authority in either divine will or some perfectionist ideal of the nature of humanity. Social contract theorists from the history of political thought include Hobbes, Locke, Kant, and Rousseau. The most important contemporary political social contract theorist is John Rawls, who effectively resurrected social contract theory in the second half of the 20th century, along with David Gauthier, who is primarily a moral contractarian. There is no necessity for a contractarian about political theory to be a contractarian about moral theory, although most contemporary contractarians are both. It has been more recently recognized that there are two distinct strains of social contract thought, which now typically go by the names contractarianism and contractualism.

Contractarianism, which stems from the Hobbesian line of social contract thought, holds that persons are primarily self-interested, and that a rational assessment of the best strategy for attaining the maximization of their self-interest will lead them to act morally (where the moral norms are determined by the maximization of joint interest) and to consent to governmental authority. Contractarianism argues that we each are motivated to accept morality “first because we are vulnerable to the depredations of others, and second because we can all benefit from cooperation with others” (Narveson 1988, 148). Contractualism, which stems from the Kantian line of social contract thought, holds that rationality requires that we respect persons, which in turn requires that moral principles be such that they can be justified to each person. Thus, individuals are not taken to be motivated by self-interest but rather by a commitment to publicly justify the standards of morality to which each will be held. Where Gauthier, Narveson, or economist James Buchanan are the paradigm Hobbesian contractarians, Rawls or Thomas Scanlon would be the paradigm Kantian contractualists. The rest of this entry will specifically pertain to the contractarian strain wherever the two diverge.

1. Fundamental Elements of Contractarianism

The social contract has two fundamental elements: a characterization of the initial situation, called variously the “state of nature” by the modern political philosophers, the “original position” by Rawls (1971, 17–22, 118–193), or the “initial bargaining position” by Gauthier (1986, 14–16, 131–134, passim), and a characterization of the parties to the contract, particularly in terms of their rationality and motivation to come to agreement. The initial situation posits what in bargaining theory is called the “no agreement position,” the situation to which the individuals return in case of failure to make an agreement or contract. This situation may be more or less hostile, and more or less social, depending on how the theorist characterizes human life in the absence of rules of morality or justice. But crucial to all contractarian theories, there is some scarcity or motivation for competition in the initial situation and there is some potential for gains from social interaction and cooperation.

In contemporary normative contractarian theories, that is, theories that attempt to ground the legitimacy of government or theories that claim to derive a moral ought, the initial position represents the starting point for a fair, impartial agreement. While contractualists justify the requirement of a fair, impartial agreement by reasons external to the contract, contractarians hold that the success of the contract in securing cooperative interaction itself requires that the starting point and procedures be fair and impartial.

Some of the more recent literature focuses on how contractarian theories can ensure the fairness and impartiality of the initial bargaining situation without appealing to any external, independent moral norms as the contractualist does. For the contractarian, all moral norms are supposed to be the result of agreement by rational agents, but if the contractarian has to appeal to prior moral norms in order to secure agreement then it’s not clear what sort of work the agreement is actually doing in establishing the content of the moral norms. At the same time, if there are no constraints at all over the initial situation then the outcome agreed to may fail to be a moral outcome, and may instead be an outcome according to the principle, as Rawls puts it, “to each according to his threat advantage” (1971, 141). Two potential strategies are to argue that assumptions designed to ensure the fairness and impartiality of the initial situation, such as the assumption that the contractors are symmetrically situated, either follow as a condition of rationality or are justified on strategic grounds. The idea that certain assumptions like symmetry follow as implications from the exercise of rationality has attracted recent criticism on grounds that such assumptions represent substantive constraints theoretically inaccessible to contractarians (Thrasher 2014). Others have attempted to defend the presence of such assumptions in contractarian theory (Thoma 2015).

Some points of controversy among contractarians concern the role of the initial situation in the theory: is it to be considered an actual historical situation, a possible historical moment, or is the contract situation completely hypothetical? David Hume (1987/1777, 470–1) was the first to raise the decisive objection to any normative moral or political theory based on a historical contract: the consent of one’s ancestors do not bind oneself. Contemporary political philosophers have raised similar concerns about a hypothetical contract: insofar as the agreement is hypothetical then it cannot be said to represent agreement at all (Dworkin 1975). In response to these sorts of objections, some contractarians defend the hypothetical contract on heuristic grounds by insisting that the point of the contract device is not to directly bind the contractors but rather to provide a kind of thought experiment by which to discover the requirements of practical rationality (Gauthier 1986, ch. VII). That is, they argue that if one is rational, and among rational others in circumstances in which agreement is both possible and beneficial, then rationality requires that one abide by the terms of the contract. While mainstream contractarian theories are hypothetical contract theories, an interesting and powerfully subversive use of contractarianism (Mills 1997; Pateman 1989; Pateman & Mills 2007—see section on Subversion of Contractarianism below) reads the contract situation as historical agreements to erect and maintain white supremacy and patriarchy or male dominance. These latter contractarian theories are not justifications of the status quo, of course, but rather explanations and condemnations, and therefore do not face Hume’s objection. Other questions that divide contemporary contractarians include: What are the ideal conditions and who are the ideal contractors that will make obligatory the outcomes of the contract for actual persons? What is the content of the hypothetical agreement?

The second element of a contractarian theory characterizes the potential contractors. There are two subparts to this: first, contractors have minimal other-directed desires or preferences, and second, contractors have a capacity for rational interaction with others. Contractarian (as opposed to contractualist) theories embrace a high standard for motivating making (and keeping) agreements. They avoid assuming that persons have preferences for moral behavior as such in order to ground rules of morality or justice in rational self-interest. Since persons’ interests do not necessarily include the well-being of others, the main challenge for contractarianism is to show that even without such other-directed preferences, it would be rational to be moral. Such self-directed preferences are called “non-tuistic” (Gauthier 1986, 87). However, there are reasons to think that narrowing the preferences of contractors to include only non-tuistic preferences is neither necessary nor helpful in grounding morality. One reason is because such a restriction of preferences means that actual persons will not be willing to comply with the bargain that is made, under the assumption that they do not have such narrowly construed preferences (Hubin 1991). On the other hand, allowing positive tuistic preferences to play a role in bargaining on morality and justice may create the possibility for individuals to be exploited for their fellow feelings (Dimock 1999). This is especially a problem for women, as Dimock points out, since in most cultures women are trained from childhood by sexist norms and gender roles to prefer the well-being of others to their own. Negative tuistic preferences pose a different challenge as a type of moral skepticism for either theorists who would exclude them or those who would include them in a contractarian theory (Superson 2009). The former group include Rawls and Gauthier, who have argued that negative tuistic preferences (envy, jealousy, spite, vengeance) make cooperation for mutual advantage impossible and therefore are irrational (Rawls 1971, 142–150, 530–534; Gauthier 1986, 311, 329). But this response significantly narrows the scope of application of the theory, since such emotions are common. The latter group faces the challenge of showing how mutual advantage overcomes these negative, other-directed emotions.

Second, persons are presumed to be instrumentally rational and so capable of understanding how the satisfaction of their desires can be helped by cooperative social interaction. Contractarians characterize practical rationality instrumentally, subjectively, and preferentially. Acting rationally entails maximizing satisfaction of one’s own subjective preferences. Contractarians rely on the crucial fact about humans that we are able to cooperate to produce more than each working alone, thus making it rational to cooperate under at least some terms. Self-interest and rationality imply a desire to cooperate provided that cooperators can do so without sacrificing their self-interest. The desire to benefit from cooperation in turn makes persons rationally concerned about their reputations for adhering to the moral norms that make cooperation possible and rational. (See feminist perspectives on the self (Section 1, Critique) for a critique of this conception of the rational person.)

Contractarians seek to show that without rules of justice for cooperation, persons are worse off by their own lights. Hence it is rational to adopt some rules for morality and justice. These two aspects of the contractarian individual—self-interest and the ability to benefit from interaction with others—along with the conditions of moderate scarcity imply what Rawls following Hume called the “circumstances of justice”: the conditions under which rules for justice could be both possible and necessary (1971, 109–112). Justice, and a social contract, is only possible where there is some possibility of benefit to each individual from cooperation.

Contractarian social contract theories take individuals to be the best judges of their interests and the means to satisfy their desires. For this reason, there is a close connection between liberalism and contractarianism. However, that is not to say that all contractarian thought is liberal. Hobbes, for example, argued in favor of what Jean Hampton has called the “alienation contract” (1986, 3, 103, 256–265), that is, a contract on the part of a people to alienate their rights to adjudicate their own disputes and self-defense to a sovereign, on the grounds that that was the only way to keep the peace given the nature of the alternative, which he famously characterized as life that would be “solitary, poore, nasty, brutish, and short.” Thus, given a bad enough initial situation, contractarianism may lead to the legitimation of totalitarianism. Another point of criticism that arises from the characterization of the parties to the contract is that they must be able to contribute to the social product of interaction, or at least to threaten to destabilize it. This is because each individual has to be able to benefit from the inclusion of all those included. But this threatens to leave many, such as the severely disabled, the global poor, and animals outside the realm of justice, an implication that some find completely unacceptable (Kittay 1999; Nussbaum 2006).

Social contract theories also require some rules to guide the formation of agreement. Since they are prior to the contract, there must be some source of prior moral norms, whether natural, rational, or conventional. The first rule that is normally prescribed is that there must be no force or fraud in the making of the agreement. No one is to be “coerced” into agreement by the threat of physical violence. The reasoning for this is quite straightforwardly prudential: if one is allowed to use violence, then there is no real difference between the “contract” arrived at and the state of nature for the threatened party, and hence no security in the agreement. However, there is a fine line between being coerced by the threat of violence into giving up one’s rights and being convinced by the threat of penury to make an unfavorable agreement. For this reason contractarians like Gauthier are able to argue for a fair and impartial starting point for bargaining that will lead to secure and stable agreements. The second rule of contract is that each individual who is a legitimate party to the contract must agree to the rules of justice, which are the outcomes of the contract.

2. The Metaphor of Contract

The metaphor of the social contract requires some interpretation in order to apply it to the situation of morality or politics. The interpretation can be specified by determining answers to three questions. First, what is the agreement on? Possible answers include the principles of justice (Rousseau, Rawls), the design of the basic social institutions (Rawls), the commitment to give up to a sovereign government (some or all of) one’s rights (Hobbes, Locke), the adoption of a disposition to be (conventionally) moral (Gauthier, Hampton). The second question is how the agreement is to be thought of: as a hypothetical agreement? An actual historical agreement? An implicit historical situation? The third question is whether the contract device is to be used as justification or explanation. As discussed above, normative contractarianism uses the contract device primarily as justification, but it may be that Hobbes and Locke thought that there was an explanatory element to the contract device. As will be discussed below (Subversive Contractarianism), an important contemporary contractarianism uses an implicit contract to explain the origin of oppression.

3. Answering the Moral Skeptic

A brief sketch of the most complete and influential contemporary contractarian theory, David Gauthier’s, is in order. Gauthier’s project in Morals By Agreement is to employ a contractarian approach to grounding morality in rationality in order to defeat the moral skeptic. (However, Anita Superson (2009) points out that Gauthier attempts to answer only the skeptic who asks “why should I be moral?” but leaves both the motive skeptic, who argues that it is enough to act morally but need not be motivated by morality, and the amoralist, who denies that there is any such thing as morality, that is, that there are true moral statements.) It is generally assumed that humans can have no perfect natural harmony of interests (otherwise morality would be largely superfluous), and that there is much for each individual to gain through cooperation. However, moral constraint on the pursuit of individual self-interest is required because cooperative activities almost inevitably a prisoner’s dilemma: a situation in which the best individual outcomes can be had by those who cheat on the agreement while the others keep their part of the bargain. This leads to the socially and individually sub-optimal outcome wherein each can expect to be cheated by the other. But by disposing themselves to act according to the requirements of morality whenever others are also so disposed, they can gain each others’ trust and cooperate successfully.

The contractarian element of the theory comes in the derivation of the moral norms. The compliance problem—the problem of justifying rational compliance with the norms that have been accepted—must drive the justification of the initial situation and the conduct of the contracting situation. It is helpful to think of the contract situation as a bargain, in which each party is trying to negotiate the moral rules that will allow them to realize optimal utility, and this has led philosophers to apply a number of bargaining solutions to the initial contract situation. Gauthier’s solution is the “minimax relative concession” (1986, ch. V). The idea of minimax relative concession is that each bargainer will be most concerned with the concessions that she makes from her ideal outcome relative to the concessions that others make. If she sees her concessions as reasonable relative to the others, considering that she wants to ensure as much for herself as she can while securing agreement (and thereby avoiding the zero-point: no share of the cooperative surplus) and subsequent compliance from the others, then she will agree to it. What would then be the reasonable outcome? The reasonable outcome, according to this view, is the outcome that minimizes the maximum relative concessions of each party to the bargain (Gauthier 1986, ch. V).

Equally important to the solution as the procedure is the starting point from which the parties begin. For some contractarians (like Gauthier) there is no veil of ignorance—each party to the contract is fully informed of their personal attributes and holdings. However, without the veil of ignorance, contractors will be aware of the differences in bargaining power that could potentially affect the outcome of the bargain. It is important, then, that the initial position must have been arrived at non-coercively if compliance to the agreement is to be secured. A form of the “Lockean proviso” (modeled after Locke’s description of the initial situation of his social contract): that one cannot have bettered himself by worsening others, may turn out to be beneficial in cases without a veil of ignorance. In sum, the moral norms that rational contractors will adopt (and comply with) are those norms that would be reached by the contractors beginning from a position each has attained through her own actions which have not worsened anyone else, and adopting as their principle for agreement the rule of minimax relative concession (Gauthier 1986, ch. VII).

On one line of thought, contractarianism produces liberal individuals who seem well suited to join the kind of society that Rawls envisioned (Gauthier 1986, ch. XI). On another line, the Hobbesian contractarian argument leads towards the sparse government of libertarianism (Narveson 1988). The controversy here turns on the primary motivation for individuals to make agreements and cooperate. As we said before, there are two such motivations for the Hobbesian contractarian: fear of the depredations of others and benefits from cooperation with others. Libertarianism results when the first of these is primary, whereas when the second is primary, the kind of reciprocity and supportive government that will be discussed in the final section becomes possible.

4. Critiques of Normative Contractarianism

Many critiques have been leveled against particular contractarian theories and against contractarianism as a framework for normative thought about justice or morality. (See the entry on contemporary approaches to the social contract.) Jean Hampton criticized Hobbes in her book Hobbes and the Social Contract Tradition, in a way that has direct relevance to contemporary contractarianism. Hampton argues that the characterization of individuals in the state of nature leads to a dilemma. Hobbes’ state of nature as a potential war of all against all can be generated either as a result of passions (greed and fear, in particular) or rationality (prisoner’s dilemma reasoning, in which the rational players each choose to renege on agreements made with each other). But if the passions account is correct, then contractors will still be motivated by these passions after the social contract is drawn up, and so will fail to comply with it (Hampton 1986). And if the rationality account is correct, then rational actors will not comply with the social contract any more than they will cooperate with each other before it is made.

This critique has an analog for theories (such as Gauthier’s) that claim that without the contract individuals will be stuck in some social sub-optimal situation that is bad enough to motivate them to make concessions to each other for some agreement, yet the reason for their inability to cooperate without the contract cannot continue to operate after the contract is made. A potential solution to this problem is to argue that individuals will choose to dispose themselves to be constrained (self-interest) maximizers rather than straightforward (self-interest) maximizers, that is, to retrain themselves not to think first of their self-interest but rather to dispose themselves to keep their agreements, provided that they find themselves in an environment of like-minded individuals (Gauthier 1986, 160–166). But this solution has been found dubitable by many commentators (see Vallentyne 1991).

Hampton also objects to the contemporary contractarian assumption that interaction is merely instrumentally valuable. She argues that if interaction were only valuable for the fruits of cooperation that it bears for self-interested cooperators, then it would be unlikely that those cooperators could successfully solve the compliance problem. In short, they are likely not to be able to motivate morality in themselves without some natural inclination to morality. Interestingly, Hampton agrees with Gauthier that contractarianism is right to require any moral or political norms to appeal to individuals self-interest as a limitation on self-sacrifice or exploitation of any individual.

Two further critiques can be raised against contractarianism (Southwood 2010). According to the normativity objection, contractarian morality is not sufficiently other-regarding because it motivates morality by appeal to one’s self-interest rather than any concern of others. Because of this, the theory gives one no reason to feel guilt or remorse for wrongdoing, but rather, at most, self-directed anger or disappointment at acting irrationally. Southwood’s objection can be seen as one way of filling out Superson’s claim, mentioned above, that Gauthier’s theory cannot respond to the motive skeptic. This objection overlooks the fact that some appeal to others’ concerns is built into both the Lockean Proviso and the bargaining theory from which the content of the moral norms are derived. Furthermore, Kantian moral theory would seem to be subject to the same objection insofar as it appeals to autonomous rationality as the motive for acting morally. Gauthier can be seen as providing a response to the objection in the final chapter of Morals by Agreement, where he describes the “liberal individual,” whose moral psychology is shaped by living the moral life that mutual advantage contractarianism prescribes.

According to the impartiality objection, all human persons are owed certain duties regardless of their powers or abilities, and because it relies on an instrumental and subjective conception of practical reason, contractarianism cannot explain how this would be so. Contractarianism, on the contrary, holds it to be irrational to treat truly powerless persons equally, since it is not mutually advantageous to do so. This problem, which is similar to the exclusion problem discussed above and in section 6 below, is a serious problem. Gauthier’s Lockean Proviso was meant to rule out taking historical patterns of dominance into account, but even if all such dominance relations were eliminated and bargaining were conditioned on undominated assets, the inequality in natural talents and abilities would reintroduce the possibility of dominance.

Contractarianism has also been criticized on racial grounds (Williams 1991). Contracts require independent agents who are able to make and carry out promises without the aid of others. Historically, while white men have been treated as these pure wills of contract theory, Blacks and women have been treated as anti-will: dependent and irrational. Both ideals are false; whole people, she says, are dependent on other whole people. But by defining some as contractors and others as incapable of contract, whole classes of people can be excluded from the realm of justice. This point has been explored by other critics of contractarianism, first by Allen Buchanan (1993) and more recently by Eva Kittay (1999), who points out that not only are dependents such as children and disabled people left out of consideration by contractarian theories, but their caretakers’ needs and interests will tend to be underestimated in the contract, as well.

5. Subversive Contractarianism

A descriptive use to which contractarianism has been put is to exploit the exclusionary, in-group/out-group nature of the contractarian project to illuminate the phenomenon of oppression. Carole Pateman’s The Sexual Contract (1989) uses contractarian theory to argue that there has been an implicit contract among men to enforce patriarchy. She calls her approach a “conjectural history,” which she uses both to illuminate the actual history of patriarchal oppression of women and the ideology of social contract theory. Similarly, Charles Mills argues in The Racial Contract (1997) that whites have had an actual, historical, sometimes explicit, though often only implicit, contract to enforce white supremacy. The arguments are similar in their contractarian outlines, though they differ in the historical and factual details. According to both philosophers’ theories, there are moral, political, and epistemological terms of the contract, and its effect has been to allow one group of persons effectively to dominate, subordinate, and exploit another group. The moral terms require the dominant group to evaluate the lives of their group more highly than those of the subordinated, the political to deprive the subordinate group of effective political power, and the epistemological terms require the members of the dominant group to see themselves as intellectually superior to the dominated. The social contract then can be seen as a justification by the parties to the contract of their interaction, and of their exploitation of those who are not parties to the contract, but only if the fundamental division of in-group and out-group is accepted. If the racial and sexual contracts were to be shown to be rational, they would constitute prima facie critiques of normative contractarianism, since they would then seem to justify racism and sexism. Pateman and Mills have more recently teamed up in Contract and Domination (2007) to explore their similarities and ways in which they diverge. Pateman extends her critique of the ideology of contract to the case of colonial appropriation of native peoples’ lands with what she calls the “settler contract.” Mills also extends his analysis both in scope to include gender and class, and to give a normative application of the descriptive contract to the issue of reparations for slavery. He calls this more general contract the “domination contract.” While Pateman holds that contractarianism essentially permits domination, Mills holds that contract theory can be salvaged by beginning with a more realistic non-ideal starting point and asking how existing injustice ought, rationally be eliminated. However, his positive theory is contractualist rather than contractarian, as it begins with the premise of moral equality.

Several of the critiques surveyed above, then, center on the questions: who is allowed to be a party to the contract, and how are those who are excluded from the contract to be treated? On the normative contractarian view, it is only rational to include all of those who can both benefit and reciprocate benefits to others. Normative contractarianism, then, on the assumption that non-whites and women can both benefit and reciprocate benefits to others, shows the sexual and racial contracts to be fundamentally irrational. Gauthier, in fact, explicitly argued that his contractarianism aids the feminist project of ending exploitative intimate relationships. Contractarian morality disapproves of relationships that are not mutually advantageous without assuming ties of affection. He writes, “sociality … becomes a source of exploitation if it induces persons to acquiesce in institutions and practices that but for their fellow-feelings would be costly to them” (1984, 11). This theme is taken up in some defenses of feminist contractarianism (Hampton 1993). In the debate over contractarianism in feminist thought, there is a concern that contractualists beg the question of intrinsic value, and it is thought, in contrast, that (Hobbesian) contractarianism can underwrite feminist claims about the exploitative nature of caring relationships without the intrinsic value assumption (Sample 2002). Lastly, in the hands of some philosophers social contract theory becomes a device for combating oppression, especially gender oppression, by uncovering adaptive preferences formed under conditions of oppression (Walsh 2015).

6. Disability, Animals, Reciprocity, and Trust

Disability rights activists, however, would still seem to have a serious complaint to lodge against normative contractarianism, since it is surely the case that there are persons who cannot reciprocate benefits to others. Such persons would be, on the normative contractarian view, beyond the scope of the rules of justice. Recent literature on disability argues that, to the contrary, contractarianism can be inclusive of the disabled. For example, it may be argued that in fact most disabled persons and all caregivers would be included in the bargaining group for clear strategic reasons (Becker 2005). The basic contractarian insight that cooperation is mutually advantageous implies that whenever someone can be included as a contributing cooperator there are gains to be realized for all. Many disabled people are either already capable of contributing or could be so with accommodation or rehabilitation, and thus it is to the advantage of society to provide accommodations or rehabilitation at some level, requiring reciprocal contributions from those thus benefited. For those disabled persons who cannot be rehabilitated, contractarianism provides a different solution, namely a “mutually advantageous” social insurance scheme that offers a dignified standard of care for anyone who needs it (Becker 2005). One might object that the currently healthy contractors would not see the need to pay premiums as high as the already disabled, since they have a lower probability of needing the care. For this insurance scheme to work (and to avoid adverse selection problems), everyone would need to agree to equal premiums without prior knowledge of their condition. But it is hard to see how a contractarian can justify this agreement. A contractualist, on the other hand, could argue that such an agreement could not be reasonably rejected. This line of argument would have to show that a similar argument could not be made for any form of bad luck, on pain of this view devolving into egalitarianism.

Such a view thus raises the objection that there is a level of need for rehabilitation or accommodation that goes beyond any possible future expected contribution for a given disabled person. And disabled persons are not well placed to hold out a threat to destabilize society, so the motivation to contract with them must be the expected benefit. Relying on only ideas of mutual advantage and reciprocity would continue to leave these people—the “outliers”—outside the contract, languishing below an acceptable level of functioning which they could, given another moral theory, rightfully claim. According to some, contracting need not be essentially adversarial (Francis & Silvers 2005). Since the benefits of mutual agreement are best achieved by “promoting stable compliance with mutual expectations” (Francis & Silvers 2005, 60), the essential element of contract is the development of trust, and the deeper and more widespread the trust, the lower the enforcement costs to contracting. Granting the importance of trust development, then, the disabled are as capable of contributing to this climate, perhaps more so because of their greater vulnerability, as the able-bodied. By this they mean that disabled persons who rely on others for care can decide to put aside fears of betrayal or neglect and remain positive and forward looking, and thereby bring about a positive affective climate in themselves and their caregivers. This affective work toward trust building becomes their contribution to the social good. Thus by focusing on the motivation of cooperation for mutual advantage rather than fear of the depredations of others, a more inclusive and positive contractarian political theory comes into view. This view depends on the assumption (similar to one made by Gauthier) that our moral psychology is such that, once we develop our disposition to cooperate, we lose the disposition to cheat on agreements we have made or harm others to satisfy our immediate self interest. As mentioned earlier, this assumption has often been questioned by critics of contractarianism.

The case for including animals within the scope of the rules of justice produced by the contract is more difficult to make because, unlike the disabled who may only require and depend on appropriate accommodations in order to reciprocate, animals may be considered incapable of reciprocating benefits to others and are also incapable of rational interaction. If contractarianism is at all able to account for the moral standing of animals, then it has to do so in a more indirect way than in the case of the disabled. It may be possible to ground the moral standing of animals as part of a contract agreed to by other contractors who are capable of rational interaction (Cohen 2007, 2009). Suppose that Bob agrees to form a contract with Jane only on the condition that Jane also attributes direct moral standing to Bob’s pet dog, Rosko. As a result of the contract between Bob and Jane, Rosko gains intrinsic moral standing that imposes correlative moral duties on Jane. If Jane were to harm Rosko in some way, she would not only violate a duty to Rosko’s owner, Bob, but she would also violate a duty that she has to Rosko who possesses intrinsic moral standing of his own. In this way bilateral agreements between contractors could potentially extend the scope of the rules of justice to apply to beings both incapable of rational interaction and arguably incapable of reciprocating benefits to others.

Deriving the moral standing of beings from agreements reached by other contractors not only assumes that contractors have tuistic preferences, an assumption rejected by many contractarians, but it also potentially makes the moral standing of those beings contingent on the nature of the tuistic preferences and interests held by others (Tanner 2013). Contractors may agree to protect only certain kinds of animals, and they may make agreements to protect animals only when doing so does not conflict with their own, more narrowly construed interests. As a result, the status of those who cannot participate in the initial situation for various reasons, such as the disabled and animals, remains a contentious issue in contractarian thought.

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