This paper draws some bold conclusions from modest premises. My topic is an old one, the Neohumean view of practical rationality. First, I show that this view consists of two independent claims, instrumentalism and subjectivism. Most critics run these together. Instrumentalism is entailed by many theories beyond Neohumeanism, viz. by any theory that says rational actions maximize something. Second, I give a new argument against instrumentalism, using simple counterexamples. This argument systematically undermines consequentialism and rational choice theory, I show, using (...) detailed examples of their many social science applications. There is no obvious fix. (shrink)

Virtue ethics is often understood as a rival to existing consequentialist, deontological, and contractualist views. But some have disputed the position that virtue ethics is a genuine normative ethical rival. This chapter aims to crystallize the nature of this dispute by providing criteria that determine the degree to which a normative ethical theory is complete, and then investigating virtue ethics through the lens of these criteria. In doing so, it’s argued that no existing account of virtue ethics is a complete (...) normative ethical view that rivals existing consequentialist, deontological, and contractualist views. Moreover, it is argued that one of the most significant challenges facing virtue ethics consists in offering an account of the right-making features of actions, while remaining a distinctively virtue ethical view. (shrink)

Ethics is of vital importance to the Swedish educational system, as in many other educational systems around the world.Yet, it is unclear how ethics should be dealt with in school, and prior research and evaluations have found serious problems regarding ethics in education.The field of moral education lacks clear and widely accepted definitions of key concepts, and these ambiguities negatively impact both research and educational practice. This thesis draws a distinction between three approaches to ethics in school – the descriptive (...) ethics approach, the value transmission approach, and the inquiry ethics approach – and studies in what way (if at all) they are prescribed by the national curriculum for the Swedish compulsory school, how they relate to students’ moral reasoning about technology choices and online behaviour, and what pedagogical merits and disadvantages they have. Hopefully, this both contributes to reducing the ambiguities of the field, and to answering the question of how ethics should be dealt with in education. The descriptive ethics approach asserts that school should teach students empirical facts about ethics, such as what views and opinions people have. The value transmission approach holds that school should mediate some set of predefined values to the students and make sure the students come to accept these values.The inquiry ethics approach is the view that school should teach students to reason and think critically about ethics and to engage in ethical inquiry. The role of ethics in the curriculum has not been studied in light of the above distinction, in prior research,and such an investigation is undertaken here.The results suggest that ethics has a prominent, but complicated, role in the Swedish national curriculum. Although no explicit distinction is drawn or acknowledged in the curriculum, all three approaches are prescribed throughout the curriculum, albeit to different degrees. In the general section of the curriculum, the value transmission and inquiry ethics approaches are more extensively prescribed than the descriptive ethics approach. It was found that most of the syllabi contained explicit references to ethics, while some only contained implicit references to ethics, and two syllabi lacked references to ethics altogether. In the syllabi, the inquiry ethics approach is the most dominant, both in the sense of being present in the most syllabi, and in the sense of being more strongly prescribed in many of the syllabi where several approaches occur.The value transmission approach has the weakest role in the syllabi. In total, the inquiry ethics approach is the approach most strongly prescribed by the curriculum. But prior research has shown that inquiry ethics is very rarely implemented in the classroom. In this thesis, it is found that the inquiry ethics and the value transmission approaches are incompatible, given certain reasonable interpretations, which makes the finding that inquiry ethics is rarely implemented less surprising, since value transmission is practiced in schools. Some possible causes, and some consequences, of this is discussed. The students, in their moral reasoning about technology choices, reasoned in accordance with several classical normative theories – including consequentialism, deontological ethics and virtue ethics – and in doing so, they expressed reasoning that in the discussion is found to be in conflict with the values of the value foundation in the curriculum. These findings complement earlier findings, for example that students in their actions contradict the value foundation, by adding that such conflicts also exist in their reasoning. The existence of these conflicts is found to be problematic for a value transmission approach. Many of the students defended very restrictive views on disclosing personal information online, and prior research as well as the present data has shown that adults typically hold views that are very similar to these, concerning how they think that young people ought to act online. On the other hand, youths’ actual online behaviour, as reported in earlier studies, differs considerably from this. In line with this, the students also seemed to endorse a form of private morals view, according to which moral choices are simply up to one’s own taste, which would yield an escape exit from the restrictive views mentioned above, and permit any behaviour. In the discussion, it is argued that this is the result of an attempt at value transmission from the grown-up community, probably including teachers, which might seem to work, since the students claim to hold certain views, but which likely instead constitutes a false security, since these values are not actually accepted, but only paid lip service to, and the adults are therefore wrong in their belief that the students are protected by a certain set of values (that they think the students are upholding), since the students in fact do not uphold, and therefore do not act based upon, these values. This situation risks making the students more vulnerable than had no value transmission attempt been taken in the first place. Hence, the attempted value transmission runs the risk of counteracting its purpose of helping the students acquire a safe online behaviour. Throughout the moral reasoning mentioned above, extensive variations in the students’ reasoning were found, both interpersonally and intrapersonally, both in the decision method and in the rightness criterion dimensions, as well as in between the dimensions.The existence of such variations is a novel finding, and while possible applications in future research are discussed, it is also noted that this existence constitutes a reason to question the successfulness of both the value transmission and the inquiry ethics endeavours of the educational system. The results and discussions described above highlight the importance of investigating the merits of the different approaches. Several arguments that arise from the material of this thesis are presented, evaluated and discussed. The ability of each approach to fulfil some alleged key aims of ethics education is scrutinised; their abilities to educate for good citizenship, to educate for quality of life of the individual, and to facilitate better educational results in other subjects are all investigated, as well as the ability of each approach to help counteract the influence from online extremist propaganda aimed at young people and to promote safe online behaviour in general. It is concluded that the inquiry ethics approach has the strongest support from the material of this thesis. Some consequences for school practice are discussed, and it is concluded that changing the role of ethics in the curriculum would be beneficial, downplaying the role of value transmission and further increasing, and making more explicit and clear, the role of inquiry ethics. It is also shown that there are strong reasons for the inclusion of a new subject in the Swedish compulsory education with special focus on ethics. 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Utilitarianism has often been understood as a theory that concerns itself first and foremost with the rightness of actions; but many other things are also properly subject to moral evaluation, and utilitarians have long understood that the theory must be able to provide an account of these as well. In a landmark article from 1976, Robert Adams argues that traditional act utilitarianism faces a particular problem in this regard. He argues that a on a sensible utilitarian account of the rightness (...) of an agent’s motives, right motives will sometimes conflict with right actions, leaving the theory internally incoherent. The puzzle Adams raises has received a good deal of attention but few proposed solutions. Fred Feldman, however, has offered a solution that seems to be gaining adherents. In this paper I argue that Feldman’s approach cannot succeed. At bottom, it relies on a version of the principle that ‘ought’ implies ‘can’—and subsequently an account of an agent’s alternatives—that is far too restrictive to be plausible. Despite the failure of this solution, however, I argue that the conflict Adams develops is not as theoretically troubling as he suggests. While traditional act utilitarianism may fail for other reasons, it will not fail due to the conflict between acts and motives. (shrink)

Rights-based approaches and consequentialist approaches to ethics are often seen as being diametrically opposed to one another. In one sense, they are. In another sense, however, they can be reconciled: a ‘global’ form of consequentialism might supply consequentialist foundations for a derivative morality that is non-consequentialist, and perhaps rights-based, in content. By way of case study to illustrate how this might work, I survey what a global consequentialist should think about a recent dispute between Jeff McMahan and Henry Shue on (...) the morality and laws of war. (shrink)

Traditional rule consequentialism faces a problem sometimes called the ideal world objection—the worry that by looking only at the consequences in worlds where rules are universally adhered to, the theory fails to account for problems that arise because adherence to rules in the real world is inevitably imperfect. In response, recent theorists have defended sophisticated versions of rule consequentialism which are sensitive to the consequences in worlds with less utopian levels of adherence. In this paper, I argue that these attempts (...) underestimate the problem they are designed to avoid—the worry about ideal worlds is only one manifestation of a deeper and more general problem, the distant world objection, which threatens not only the sophisticated revisions of rule consequentialism, but any view which determines what we ought to do by evaluating worlds that differ from ours in more than what is up to us. (shrink)

Matthew Liao is to be commended for editing Moral Brains, a fine collection showcasing truly 12 excellent chapters by, among others, James Woodward, Molly Crocket, and Jana Schaich 13 Borg. In addition to Liao’s detailed, fair-minded, and comprehensive introduction, the book 14 has fourteen chapters. Of these, one is a reprint (Joshua Greene ch. 4), one a re-articulation of 15 previously published arguments (Walter Sinnott-Armstrong ch. 14), and one a literature review 16 (Oliveira-Souza, Zahn, and Moll ch. 9). The rest (...) are original contributions to the rapidly 17 developing field of neuroethics. (shrink)

An overview (about 8,000 words) of act utilitarianism, covering the basic idea of the theory, historical examples, how it differs from rule utilitarianism and motive utilitarianism, supporting arguments, and standard objections. A closing section provides a brief introduction to indirect utilitarianism (i.e., a Hare- or Railton-style view distinguishing between a decision procedure and a criterion of rightness).

There are few moral convictions that enjoy the same intuitive plausibility and level of acceptance both within and across nations, cultures, and traditions as the conviction that, normally, it is morally wrong to kill people. Attempts to provide a philosophical explanation of why that is so broadly fall into three groups: Consequentialists argue that killing is morally wrong, when it is wrong, because of the harm it inflicts on society in general, or the victim in particular, whereas personhood and human (...) dignity accounts see the wrongness of killing people in its typically involving a failure to show due respect for the victim and his or her intrinsic moral worth. I argue that none of these attempts to explain the wrongness of killing is successful. Consequentialism generates too many moral reasons to kill, cannot account for deeply felt and widely shared intuitions about the comparative wrongness of killing, and gives the wrong kind of explanation of the wrongness of killing. Personhood and human dignity accounts each draw a line that is arbitrary and entirely unremarkable in terms of empirical reality, and hence ill-suited to carry the moral weight of the difference in moral status between the individuals below and above it. Paying close attention to the different ways in which existing accounts fail to convince, I identify a number of conditions that any plausible account of the wrongness of killing must meet. I then go on to propose an account that does. I suggest that the reason that typically makes killing normal human adults wrong equally applies to atypical human beings and a wide range of non-human animals, and hence challenge the idea that killing a non-human animal is normally easier to justify than killing a human being. This idea has persisted in Western philosophy from Aristotle to the present, and even progressive moral thinkers and animal advocates such as Peter Singer and Tom Regan are committed to it. I conclude by discussing some important practical implications of my account. (shrink)

I argue that when determining whether an agent ought to perform an act, we should not hold fixed the fact that she’s going to form certain attitudes (and, here, I’m concerned with only reasons-responsive attitudes such as beliefs, desires, and intentions). For, as I argue, agents have, in the relevant sense, just as much control over which attitudes they form as which acts they perform. This is important because what effect an act will have on the world depends not only (...) on which acts the agent will simultaneously and subsequently perform, but also on which attitudes she will simultaneously and subsequently form. And this all leads me to adopt a new type of practical theory, which I call rational possibilism. On this theory, we first evaluate the entire set of things over which the agent exerts control, where this includes the formation of certain attitudes as well as the performance of certain acts. And, then, we evaluate individual acts as being permissible if and only if, and because, there is such a set that is itself permissible and that includes that act as a proper part. Importantly, this theory has two unusual features. First, it is not exclusively act-orientated, for it requires more from us than just the performance of certain voluntary acts. It requires, in addition, that we involuntarily form certain attitudes. Second, it is attitude-dependent in that it holds that which acts we’re required to perform depends on which attitudes we’re required to form. I then show how these two features can help us both to address certain puzzling cases of rational choice and to understand why most typical practical theories (utilitarianism, virtue ethics, rational egoism, Rossian deontology, etc.) are problematic. (shrink)

Critics of carbon mitigation often appeal to what Jonathan Glover has called ‘the argument from no difference’: that is, ‘If I don’t do it, someone else will’. Yet even if this justifies continued high emissions by the industrialised countries, it cannot excuse business as usual. The North’s emissions might not harm the victims of climate change in the sense of making them worse off than they would otherwise be. Nevertheless, it receives benefits produced at the latter’s expense, with the result (...) that it has more than it deserves, and that victims will have less. This enrichment is unjust; unjustly enriched agents ought to make compensation. The best form of compensation is vigorous action against climate change. (shrink)

In this paper, I argue that we have obligations not only to perform certain actions, but also to have certain attitudes (such as desires, beliefs, and intentions), and this despite the fact that we rarely, if ever, have direct voluntary control over our attitudes. Moreover, I argue that whatever obligations we have with respect to actions derive from our obligations with respect to attitudes. More specifically, I argue that an agent is obligated to perform an action if and only if (...) it’s the action that she would perform if she were to have the attitudes that she ought to have. This view, which I call attitudism, has three important implications. First, it implies that an adequate practical theory must not be exclusively act-orientated. That is, it must require more of us than just the performance of certain voluntary acts. Second, it implies that an adequate practical theory must be attitude-dependent. That is, it must hold that what we ought to do depends on what attitudes we ought to have. Third, it implies that no adequate practical theory can require us to perform acts that we would not perform even if we were to have the attitudes that we ought to have. I then show how these implications can help us both to address certain puzzling cases of rational choice and to understand why most typical practical theories (utilitarianism, rational egoism, virtue ethics, Rossian deontology, etc.) are mistaken. (shrink)

Rule consequentialism (RC) is the view that it is right for A to do F in C if and only if A's doing F in C is in accordance with the the set of rules which, if accepted by all, would have consequences which are better than any alternative set of rules (i.e., the ideal code). I defend RC from two related objections. The first objection claims that RC requires obedience to the ideal code even if doing so has disastrous (...) results. Though some rule consequentialists embrace a disaster-clause which permits agents to disregard some of the rules in the ideal code as a necessary means of avoiding disasters, they have not adequately explained how this clause works. I offer such an explanation and show how it fits naturally with the rest of RC. The second disaster objection asserts that even if RC can legitimately invoke a disaster-clause, it lacks principled grounds from distinguishing disasters from non-disasters. In response, I explore Hooker's suggestion that “disaster” is vague. I contend that every plausible ethical theory must invoke something similar to a disaster clause. So if “disaster” is vague, then every plausible ethical theory faces a difficulty with it. As a result, this vagueness is not a reason to prefer other theories to RC. However, I argue, contra Hooker, that the sense of “disaster” relevant to RC is not vague, and RC does indeed have principled grounds to distinguish disasters from nondisasters. (shrink)

In her book Uneasy Virtue, Julia Driver presents an account of motive or trait utilitarianism, one that has been taken as “the most detailed and thoroughly defended recent formulation” of consequential virtue ethics. On Driver's account character traits are morally virtuous if and only if they generally lead to good consequences for society. Various commentators have taken Driver to task over this account of virtue, which she terms “pure evaluational externalism.” They object that, on Driver's account of virtue, it could (...) turn out that traits traditionally understood as pernicious are actually virtuous. While many writers have speculated about the forms new 'virtues' might take in a hypothetical world, I will argue that at least one trait that is seemingly pernicious but would have to be counted as virtuous by Driver already exists. (shrink)

Practical equilibrium, like reflective equilibrium, is a way of deciding what to think about morality. It shares with reflective equilibrium the general thesis that there is some way in which a moral theory must, in order to be acceptable, answer to one’s moral intuitions, but it differs from reflective equilibrium in its specification of exactly how a moral theory must answer to one’s intuitions. Whereas reflective equilibrium focuses on a theory’s consistency with those intuitions, practical equilibrium also gives weight to (...) a theory’s approval of one’s having those intuitions. (shrink)

Consequentialism is often charged with being self-defeating, for if a person attempts to apply it, she may quite predictably produce worse outcomes than if she applied some other moral theory. Many consequentialists have replied that this criticism rests on a false assumption, confusing consequentialism’s criterion of the rightness of an act with its position on decision procedures. Consequentialism, on this view, does not dictate that we should be always calculating which of the available acts leads to the most good, but (...) instead advises us to decide what to do in whichever manner it is that will lead to the best outcome. Whilst it is typically afforded only a small note in any text on consequentialism, this reply has deep implications for the practical application of consequentialism, perhaps entailing that a consequentialist should eschew calculation altogether. (shrink)

Alexander Miller objects to the argument for moral judgement internalism that I provide in _The Moral Problem. Miller's objection suggests a misunderstanding of the argument. In this reply I take the opportunity to restate the argument in slightly different terms, and to explain why Miller's objection betrays a misunderstanding.

Consequentialism is most famously a theory of right action. But many consequentialists assume, and some have explicitly argued, that consequentialism is equally plausible as a direct theory of the right rules, motives, character traits, institutions, and even such things as climates and eye colours. In this paper, I call into question this ‘Global Consequentialist’ extension of consequentialist evaluation beyond the domain of action. Consequentialist treatments of evaluands other than action are most plausible when they are interpreted as claims about reasons (...) for action; other key ethical concepts involve claims about what there is reason to feel, which makes a consequentialist treatment of them implausible. (shrink)

It is often maintained that practical freedom is a capacity to act on our view of what we ought to do and in particular on our view of what it would be best to do. Here, I discuss an important exception to that claim, namely habitual agency. Acting out of habit is widely regarded as a form of reflex or even as compulsive behaviour but much habitual agency is both intentional and free. Still it is true that, in so far (...) as we act out of habit, we have no capacity to determine what we do by making a judgement about whether we ought to be doing it. Habitual agency is nonetheless free because we have the capacity to determine whether we act out of habit by making a judgement about whether or not the habit is a virtue. I develop this view of habit by contrasting habitual agency with action on policy and I argue that much virtuous agency is best understood as a form of habitual agency rather than as a form of action on policy. (shrink)

Over the last few decades, there has been an increasing interest in global consequentialism. Where act-consequentialism assesses acts in terms of their consequences, global consequentialism goes much further, assessing acts, rules, motives — and everything else — in terms of the relevant consequences. Compared to act-consequentialism it offers a number of advantages: it is more expressive, it is a simpler theory, and it captures some of the benefits of ruleconsequentialism without the corresponding drawbacks. In this paper, I explore the four (...) different approaches to global consequentialism made by Parfit, Pettit and Smith, Kagan, and Feldman. I break these up into their constituent components, demonstrating the space of possible global consequentialist theories, and I present two new theories within this space. (shrink)

Most contemporary variants of virtue ethics have a neo-Aristotelian timbre. However, standing alongside the neo-Aristotelians are a number of others playing similar tunes on different instruments. This chapter highlights the four most important virtue ethical alternatives to the dominant neo-Aristotelian chorus. These are Michael Slote’s agent-based approach, Linda Zagzebski’s exemplarism, Christine Swanton’s target-centered theory, and Robert Merrihew Adams’s neo-Platonic account. What these four approaches showcase is the range of possible theoretical structures available to virtue ethicists. A virtue ethicist might attempt (...) to define other normative qualities like goodness or rightness in terms of virtuous traits. But she need not. Instead, she might develop a theory in which virtue is fundamental but other normative qualities obey a logic that is at least partially independent of virtue. This chapter draws attention to an exciting range of possibilities for virtue ethics that both critics and advocates alike will want to explore. (shrink)

It is widely acknowledged that moral principles are not sufficient to guide moral thought and action: they need to be supplemented by a capacity for judgement. However, why can we not rely on this capacity for moral judgement alone? Why do moral principles need to be supplemented, but are not supplanted, by judgement? So-called moral particularists argue that we can, and should, make moral decisions on a case-by-case basis without any principles. According to particularists, the person of moral judgement is (...) a person of empathy, sensibility and virtue, rather than a person of principle. In this paper I argue that this is a false dichotomy. The person of good moral judgement is a person of principle. I propose that we think of moral principles as internalised long-term commitments that form our moral character and sensitivity, and, as such, are constitutive of moral judgement. (shrink)

I argue against the standard view that it is possible to describe extensionally different consequentialist theories by describing different evaluative focal points. I argue that for consequentialist purposes, the important sense of the word act must include all motives and side effects, and thus these things cannot be separated.

Sometimes emotions excuse. Fear and anger, for example, sometimes excuse under the headings of (respectively) duress and provocation. Although most legal systems draw the line at this point, the list of potentially excusatory emotions outside the law seems to be longer. One can readily imagine cases in which, for example, grief or despair could be cited as part of a case for relaxing or even eliminating our negative verdicts on those who performed admittedly unjustified wrongs. To be sure, the availability (...) of such excuses depends on what wrong one is trying to excuse. No excuse is available in respect of all wrongs. Some wrongs, indeed, are inexcusable. This throws up the interesting question of what makes a particular emotion apt to excuse a particular wrong. Why is fear, for example, more apt to excuse more serious wrongs than, say, pride or shame? This question leads naturally to another. Why are some emotions, such as lust, greed, and envy, apparently not apt to furnish any excuses at all? Can one not be overcome by them? Can they not drive one to wrongdoing as readily as fear and grief? Or is that not the point? (shrink)

Utilitarianism focuses on the optimization of personal well being in ways that seems to make the practice of medicine irrelevant to the well being of the practitioners, unless given external incentives such as money or honor. Care based on indirect incentives is considered inferior to care motivated internally. This leads to the paradox of utilitarian care. Following Nozick's conceptual Pleasure Machine it is argued that in addition to the promotion of personal well being, people care about fulfilling their well being (...) in a world which is real, just, good, and beautiful. Complete mechanization of social and personal life in accordance with a strict utilitarian regime is also incompatible with the kind of world people desire, even if it promises more fulfillments in terms of personal well being. This explains the so-called Taurek-Parfit paradox, according to which sometimes ethics seems “to count the numbers” and sometimes not. The very pursuit of utilitarianism does not contribute to any personal life plan. The helping professions make the world a better place for us to live in, even though they do not necessarily bear directly on the well being of any individual other than the recipients of care. This resolves the paradox of utilitarian care. (shrink)

According to the guise of the good thesis, we desire things under the ‘guise of the good.’ Here I sympathetically articulate a generic formulation of the guise of the good thesis, and addre...

Utilitarianism has been able to respond to many of the objections raised against it by undertaking a major revision of its theory. Basically, this consisted of recognising that its early normative propositions were only viable for agents very different from flesh-and-blood humans. They then deduced that, given human limitations, it was most useful for everyone if moral agents did not behave as utilitarians and habitually followed certain rules. Important recent advances in neurotechnology suggest that some of these human limitations can (...) be overcome. In this article, after presenting some possible neuro-enhancements, we seek to answer the questions, first, of whether they should be accepted by a utilitarian ethic and, second, if accepted, to what extent they would invalidate the revision that allowed them to escape the objections. (shrink)

The contemporary situation within the realm of ethical theories is quite complicated. Were it not enough that many classical ethical theories are evolving into the new modern forms, new types of ethical theories are arising, as well. The main aim of the paper is to introduce this issue of ethical theories which are known under the term hybrid ethical theories. A secondary aim of the paper is to describe and characterize the contemporary ethical theory of ethics of social consequences, and (...) look for the answer whether it can be an example of this type of theory. To achieve the scope, the paper begins with a short introduction into the issue of contemporary consequentialism, followed by a presentation of the concept of hybrid ethical theories and its examples. Later the variability of consequentialism and ethics of social consequences are presented. The normative basis of this theory is subsequently analysed and explored in the context of hybrid ethical theories. Finally, the study clarify that the ethics of social consequences might be considered as a hybrid ethical theory. (shrink)

Despite the strong criticisms to ethical utilitarianism, this theory has not succumbed and remains one of the most notorious. The main criticisms address to the consequentialist conception of right that underlies the theory. However,it has been such a conception of right that, at the same time, saved utilitarianism. The article set out the features and changes that, according to the author, are the causes to explain the subsistence of utilitarianism.

Philosophy and its descendents in the behavioral sciences have traditionally divided incentives into those that are sought and those that are avoided. Positive incentives are held to be both attractive and memorable because of the direct effects of pleasure. Negative incentives are held to be unattractive but still memorable (the problem of pain) because they force unpleasant emotions on an individual by an unmotivated process, either a hardwired response (unconditioned response) or one substituted by association (conditioned response). Negative incentives are (...) divided into those that are always avoided and those that are avoided only by higher mental processes—archetypically the passions, which are also thought of as hardwired or conditioned. Newer dichotomies within the negative have been proposed, hinging on whether a negative incentive is nevertheless sought (“wanted but not liked”) or on an incentive's being negative only because it is confining (the product of “rule worship”). The newer dichotomies have lacked motivational explanations, and there is reason to question conditioning in the motivational mechanism for the older ones.

Both experimental findings and the examination of common experience indicate that even the most aversive experiences, such as pain and panic, do not prevail in reflex fashion, but because of an urge to attend to them. The well-established hyperbolic curve in which prospective rewards are discounted implies a mechanism for such an urge, as well as for the “lower” incentives in the other dichotomies. The properties of these lower incentives are predicted by particular durations of temporary preferences on a continuum that stretches from fractions of a second to years. (shrink)