Fordham University
School of Law
Research Paper 49
June 2004
The Philosophy of Tort Law:
Between the Esoteric and the Banal
Benjamin Zipursky
Professor of Law
(Forthcoming in BLACKWELL GUIDE TO PHILOSOPHY OF LAW AND LEGAL
THEORY, Martin Golding & William Edmundson, eds. 2004)
This paper can be downloaded without charge
from the Social Science Research Network electronic library:
http://ssrn.com/abstract=555705
Philosophy of Tort Law: Between the Esoteric and the Banal
Benjamin C. Zipursky
Professor of Law
Fordham University
[forthcoming in BLACKWELL GUIDE TO PHILOSOPHY OF LAW AND LEGAL THEORY,
Martin Golding & William Edmundson, eds. 2004)]
The string of words, “Philosophy of tort law” may seem like a random conjunction of academic
topic nouns selected from columns in a word game. If the phrase has a comical ring, it is because tort
law is among the most practical and least high-falutin’ areas of law. Tort law deals with car accidents,
medical malpractice, and defective lawn mowers, matters seemingly far from the celestial concerns of
the philosopher. And so, like the lobster ice cream sold in a sea-faring tourist town, the existence of
philosophy of tort law as a subject may seem to be proof that people will swallow just about anything
that can be served up.
The decision to write this chapter indicates that I do not share the perspective articulated above.
And yet the question raised -- “Is philosophy of tort law intellectually unmotivated?” -- provides a
valuable backdrop for thinking about the topic. I shall suggest in what follows that the subject actually
covers a number of different kinds of inquiry, each kind motivated by a set of practical or intellectual
concerns. By probing these diverse motivations we will not only address the reasons why there is such
a subject (philosophy of tort law), we will also get a better sense of the substance of ongoing debates
within tort law, and we will have greater reason to hope that further development in philosophy of tort
law will lead to valuable contributions to our legal system and academic culture. Rather than setting
forth several leading tort theories as if the subject had an uncontested subject matter over which
different scholars had different theories, we shall look at several different kinds of questions that have
led to the development of philosophically rich answers.
Philosophy/tort questions will be presented in three sections. The first section pertains to
problems within the development of the black-letter law of torts within the twentieth century, which
have spurred the development of philosophical tort theories. The second looks to broader debates
within legal theory in which tort theory has been a singularly important domain. Third, and finally,
there are debates within moral and political philosophy that have again displayed tort theory as a
domain within which particularly rich philosophical ideas have been generated. Philosophical work in
tort law has emerged from, addressed, pushed forward, and been shaped by, developments in all of
these debates.
I. Pushed by Problems in Law and Policy
A. Negligence versus strict liability
In a number of different domains of tort law during the twentieth century, judges, lawyers, legislators,
and academics engaged in a debate over whether companies and individuals should be held strictly
liable for the injuries they cause. Workers’ compensation for workplace injuries, no-fault automobile
insurance for car accidents in some jurisdictions, and strict liability for manufacturing defects in
products are prominent examples of domains in which the advocates of strict liability have prevailed. A
wide variety -- probably the vast preponderance -- of areas of accident law remain negligence-based,
but there has been and continues to be a significant range of areas in which debates between a
negligence principle and a strict liability principle remain energetic and nuanced. This includes, for
example, liability for suboptimal designs and unknown hazards in products, liability for automobile
accidents, and a significant number of dangerous activities.
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While the strict-liability-versus-negligence debate has benefited from major, and in some cases,
central, contributions from economists, historians, and other analysts within the social sciences, it has
from its inception presented a significant philosophical aspect. At first appearance, one might suppose
that the philosophical question at issue has been: ought a person who has caused injury to another
person be held liable for the cost of compensating the victim’s injury, regardless of whether the one
who caused injury acted in a faulty manner? In fact, this bald normative question has not been the
primary target of philosophical analysis. Rather, the primary philosophical question has been one that
presupposes a setting within legal doctrine, and an interpretive slant: to the extent that the imposition of
liability under Anglo-American tort law embodies a set of legal principles that displays a defensible
normative structure, does that normative structure permit the imposition of liability without fault, and
if so, when?
The results of this broad inquiry fall into a spectrum running from strict liability to negligence.
Richard Epstein’s straightforwardly titled “A Theory of Strict Liability” (1973) is a libertarian case for
strict liability in accident law; by contrast, Ernest Weinrib’s corrective justice theory advocates a fault
principle across the board, and Arthur Ripstein largely shares this position. Several views fall in
between -- including those of George Fletcher, Gregory Keating, Jules Coleman, and Stephen Perry.
1. Epstein’s strict-liability corrective justice theory
Richard Epstein has taken the view that, just as each person who infringes upon another’s property
right is required by the law to compensate the property owner for the infringement, so each who causes
injury to another’s body is also liable to the other for the costs of the injury inflicted (at least where
there is not a specific showing of excuse or justification) (Epstein 1973: 203-04). The purpose of this
body of law is not to provide compensation to accident victims, nor to deter wrongdoers (although it
does, and not unimportantly, have those consequences); the purpose of the law is to protect each
person’s holdings against the infringements of others. Whether those infringements are deliberate or
negligent or without fault is largely irrelevant, just as it generally is for property infringements. One’s
body is as precious as one’s real property, so invasions of bodily integrity trigger a right to
compensation.
The key to the interpretive success or failure of Epstein’s account is whether he can recast what
would otherwise seem to be a conception of fault in many cases as an aspect of the causation
requirement; Stephen Perry’s widely respected critique of Epstein (based on the idea that he must
smuggle normative notions into his conception of cause), suggests that cannot. (Perry 1989: 404-12)
From a normative point of view, the view requires adherence to an almost visceral Nozickian
libertarianism -- a view to which Epstein appears to remain loyal, albeit for a different set of reasons
than he initially endorsed.
2. Weinrib and Ripstein: Fault-based conceptions of corrective justice theory
Weinrib, like Epstein, embraces a corrective justice framework in which restoring an equilibrium that
was disturbed by tortious conduct is a central feature of tort law (Weinrib 1995). Unlike Epstein,
however, Weinrib openly states that the equilibrium disturbed (and then ideally restored) is not simply
the status quo distribution of entitlements. It is, Weinrib argues, a “normative equilibrium,” which is
disturbed only where people have acted in a manner that they were not entitled to act, outside of their
rights. Where the defendant has so acted and the conduct ripens into an invasion of the plaintiff’s right,
that invasion is a disturbance that needs to be rectified. When the tort law obligates the tortfeasor
defendant to pay the plaintiff, it is making sure that the rectification occurs and normative equilibrium
is restored; things are set right, so far as possible. Because the trigger of liability is an action in breach
of duty, or outside of a defendant’s right, this is not strict liability. The defendant has injured the
plaintiff, but the liability for the injury is not generated by that fact alone, but by the wrongfulness of
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the defendant’s injuring of the plaintiff. Hence, fault is essential to liability in tort, under Weinrib’s
view. This is not to say that insurance or administrative law frameworks could not justifiably be created
that would impose strict liability, but such structures could not properly come from within the judiciary
purporting to apply tort law, and could not appeal to the supposed normative bases of tort law.
Arthur Ripstein’s powerful book, Equality, Responsibility and the Law (1998), takes Kantian
strands in Weinrib and weaves them into a contemporary, constructivist, Rawlsian defense of tort law.
His basic idea is that security and liberty are goods that it is the domain of law to shape and constrain
for citizens on equal terms. Tort law does this by declaring that when people act in a manner that takes
more liberty than a generalized scheme of liberty could permit -- when they unreasonably risk harm to
others, for example -- then the risked harm, if it comes to pass, will be their responsibility. In that
manner, tortious conduct in effect creates a domain of responsibility for injuries caused. Because it is
essential to Ripstein’s view that the injury only becomes the defendant’s responsibility under the tort
law because he or she acted beyond the limit of liberty designated, negligence or fault is critical to
liability.
3. Fletcher’s reciprocity theory
Two pioneers of the philosophical study of tort law -- George Fletcher and Jules Coleman -- have
offered accounts that expressly leave room for both strict liability and negligence within tort law.
Fletcher’s 1972 article, “Fairness and Utility in Tort Theory,” asserts that a single principle accounts
for both strict liability and negligence: a principle that the creation of nonreciprocal risks generates
liability for the realization of those risks. In risky activities that are widely engaged in and are taken as
part and parcel of modern life in a given community -- such as driving -- each of us accepts a certain
degree of risk as a form of vulnerability that we must tolerate in light of our own production of similar
risks to others. Therefore, when those risks are realized, the generator of realized risks need not bear
the liability. However, when people do not use reasonable care in engaging in those activities, they
generate a nonreciprocal risk and must therefore take responsibility if the risk is realized in an injury.
That is negligence-based liability. Similarly, if people engage in abnormally risky activities, the
reciprocity of risk does not apply, and they should be held liable for the results of those realized risks.
That is strict liability. Recent work by Gregory Keating has expanded Fletcher’s theory in illuminating
ways (Keating 1996; Keating 1997; Keating 2001).
4. Mixed corrective justice theories: Coleman and Perry
]Coleman has offered at least two quite different models aimed at capturing both strict liability and
negligence. In his early work, Coleman depicted the tort law as a system fundamentally aimed at
annulling unjustifiable losses (which, he argued, is consistent with strict liability) (Coleman 1976). At
the same time, Coleman recognized that the legal system may choose particular modes of rectifying
those losses, and some modes (e.g., a fault principle) may serve other social goals or implement other
principles. (Coleman 1983) Those crafting the tort system presumably need to decide which principles
they think should be treated as primary if they want to ascertain the propriety of strict liability.
A second incarnation of Coleman’s thinking -- which displays a stimulating conversation with
Stephen Perry’s work -- is found in Risks and Wrongs (Coleman 1992). Like both Perry and Weinrib,
Coleman urges a corrective justice view that treats plaintiffs and defendants in an interlocked
relationship, within which their rights and duties are correlative. Tort liability is imposed where
defendants have a duty of repair running to the plaintiff, and they have this duty of repair where they
are responsible for the plaintiff’s injury. They are responsible for injuries where they have violated a
right not to be injured tortiously. For the most part, such rights are correlative to duties not to injure
another wrongfully. To this extent, they are negligence-based. However, Coleman also suggests that
some rights are defined such that infringement can occur without wrongdoing; land rights are a good
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example, for a trespass need not be negligent or wrongful. (Coleman 1992: 371-74) Hence, a rights
violation is either a wrongful injuring or an infringement of a predefined interest in not being injured
through a certain sort of conduct and as to a particular sort of entitlement. Negligence liability is the
first sort, strict liability is consistent with the second.
Perry grounds corrective justice in a notion of responsibility -- one that he labels (following
Honore) “outcome responsibility” (Honore 1988; Perry 1992) The assignment of liability in tort is, in
effect, a recognition that the defendant is responsible for the plaintiff’s injury. The implication of such
a finding of responsibility, as a moral matter, is the recognition of a duty of conduct toward the plaintiff
to rectify the injury in some manner. Perry offers a detailed analysis of the moral principle
underpinning the assignment of responsibility, arguing that the notion of outcome responsibility is part
and parcel of a social practice in which certain outcomes are linked to, and associated with, a person’s
agency. Typically, an accidental injury is not simply within one person’s agency, but within more than
one person’s agency. The question therefore arises as to which should be deemed responsible for the
outcome, given that both are linked with it causally, and possibly both (or several) could have foreseen
the outcome (Perry 1992: 509). Our notions of corrective justice offer a principle of distribution
localized to the few who are outcome-responsible, imposing a duty of repair upon the one whom we
judge most fairly bears the burden among those who are outcome-responsible (Perry 1992: 512-13).
Normally, a notion that one of the parties was at fault is necessary to a judgment that that person should
fairly bear the burden of the injury, but in a certain class of cases, the comparitive judgment may not
require any actual judgment of fault (Perry 1992: 510-11). To that extent, Perry argues, a fragment of
strict liability may be cogent, notwithstanding the general preference for fault.
5. Revisiting the doctrinal and policy arenas
It is not necessarily easy to say what the precise contributions of these philosophical accounts have
been to the development of legal doctrine, but that is not to say that they have been inert. A variety of
economic, political, social, and intellectual forces pushed toward strict liability in products and more
generally in the 1950s through the early 1970s. Philosophical theorists of tort law at first added to this
pressure, by depicting tort as aimed toward -- or at least constrained by -- the notion of responsibility
and by analyzing responsibility in a manner that permitted strict liability. However, since Epstein’s
views were rejected and an analysis of responsibility in terms of fault gained prominence, philosophical
and justice-based accounts of tort law have tended to support at least a strong presumption that fault or
negligence is required in the theory of tort liability, with strict liability remaining a fragment of
exceptions. At the same time, courts, legislatures, and tort doctrinalists have greatly retreated from the
movement toward strict liability. Indeed, the American Law Institute’s Restatement (Third) of Products
Liability has expressly advocated negligence over strict liability in both the products context and more
generally, in part citing philosophical reasons. The directions of the causal link among these academic,
political, and legal developments -- if there be any links -- would require much greater analysis; suffice
it to say that there is no a priori reason to assume that the causal link traveled in only one direction.
A somewhat subtler, but perhaps even more significant effect has involved the issue of
causation more than the issue of fault. During the 1970s, courts began experimenting with the
relaxation of proof requirements for cause in fact and for tortfeasor identification. Hence, in the DES
context, plaintiffs in jurisdictions that permit market-share liability can recover from a drug company
that produced the same sort of drug that injured them, without proving that the manufacturer produced
the particular brand that injured them. A spate of commentators asserted that this sort of innovation
should be followed in a wide variety of tort cases, and in fact provided a more sound basis for tort law
than actual doctrine. Philosophical analysts of tort law, particularly corrective justice theorists,
presented an account of tort law in terms of responsibility for injuries that provided a powerful and
cogent justification for the central role of causation, roughly as traditionally understood. In
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combination with a number of other intellectual and political forces, it would appear that the principled
defense of causation has seriously stalled the efforts of enterprise liability revisionists.
To summarize: legal scholars and courts seem to be near consensus on the view that to assign
responsibility for a defendant without deeming its conduct to be either a prima facie wrong or an
extraordinary taking of a risk runs against the grain of the principles embedded in the tort law, and is
therefore disfavored unless there are particularly forceful reasons of policy or equity for doing so.
Hence, there is strict liability for ultrahazardous activities -- those involving extraordinary risks -- and
there is strict liability in worker’s compensation as a policy-motivated legislative choice during the
inception of the last century, and there is strict liability on a restitutionary basis in a narrow range of
cases. But otherwise there is not. And to the extent that, for example, product liability has moved
toward strict liability, scholars have favored a return to the negligence-based idea, unless particularly
strong policy-based justifications can be demonstrated.
At a broader level, the richness of philosophical theories of tort law over the past few decades
should not seem either mundane or rarified. Questions about the basis of our tort liability push lawyers
and citizens to think philosophically. Inquiry into the basic concept of responsibility and what role fault
plays within it cuts deeply into both moral and political theory, and is hardly banal; exploration and
modification of the contours of liability on the border of negligence and strict liability raise the bar on
the importance of crafting intelligent answers to such questions, an activity that is hardly inert or
esoteric.
B. Concepts within tort doctrine
Commentators on tort theory -- even those who recognize an important link between theory and open
questions in legal doctrine -- typically assume that philosophy of tort law is largely exhausted by grand
philosophical theories of the domain of tort law. It would be odd if this were true in torts, for it is not
true in those areas of law where philosophical work has been most prominent -- constitutional law and
criminal law. In those areas, while grand theories such as fundamental rights theory or retributivism
have been prominent, philosophers and philosophically oriented legal scholars have probed a variety of
narrower questions. In constitutional law, for example, important scholarship has focused on questions
such as (simply to name a few) the nature and scope of free speech, the right to privacy, the proper
scope of judicial review, the role of framers’ intent in constitutional interpretation. Similarly, in
criminal law, scholarship has focused not only on the justification of punishment, but on (for example)
the nature of criminal intent, the distinction between justification and excuse, and defenses such as
insanity and self-defense. See ]sc[criminal law theory. ]p[We should not expect, therefore, that theories
over whether fault or strict liability is the basic principle of tort would take up the space in philosophy
of tort law. And that is just what we find.
Philosophers and philosophically oriented scholars of tort law have provided serious and
interesting work on a variety of broad but defined legal issues. Thus, for example, philosophers have
investigated the nature of the cause-in-fact and the proximate cause requirements for tort liability; the
meaning of the “prudent person” standard or the “reasonable care” standard in negligence law
(Feldman 2000; Keating 1996); the relation between intent and knowledge in intentional torts (Finnis
1995; Sebok 2001); the concept of foreseeability (Perry 2001: 88-101); and the nature of duty in
negligence law (Goldberg & Zipursky 1998; Weinrib 1995), just to take a few examples. The areas are
far too numerous even to survey here, but it may be useful to explore an example of this phenomenon.
Like the broader debate between fault and strict liability, the theoretical issues that revolve around
more defined doctrines have tended to arise out of ongoing practical debates within actual types of
legal disputes that courts are trying to resolve in a coherent, just, and beneficial manner.
6
Let us take the example of “duty” in negligence law. The meaning and nature of the “duty”
element in negligence law is equally inviting to the skeptic and the moralist. This is immediately
evident in Holmes’s famous anticipation of legal realism in “The Path of the Law” (1897), where he
states that: “a legal duty so called is nothing but a prediction that if a man does or omits certain things
he will be made to suffer in this or that way by judgment of the court; -- and so of a legal right.”
Holmes the scholar was above all a tort theorist and so it is fair to take this largely jurisprudential
statement as a commentary on duty in torts as well. Legal realism in torts in particular was advanced by
Leon Green in the early part of the twentieth century in work that expressly asserted that “duty” in
negligence law was largely a procedural device for shifting classes of cases to the court from the jury
(Green 1928). See ]sc[american legal realism. ]p[These theoretical statements then made their way into
hornbook statements of law, and from there, they entered into the lexicon of the California Supreme
Court of the 1960s and 1970s, as if they were black letter law. Essentially, Holmes’s blend of realism,
moral skepticism, and reductive instrumentalism as attached to the pivotally important “duty” in
negligence law had prevailed within the legal academy and within certain avant garde courts. The result
was quite real as well: large bodies of well-settled law, such as landowner liability, professional
liability to third parties, emotional harm doctrine, and economic harm doctrine, as well as limitations
on the duty to rescue, became targets of sustained critique purporting to display the rules as arbitrary
limitations based on philosophically na?ve interpretations of the concept of duty.
In the context of a near landslide of support for a philosophical (and reductive) analysis of a
central element of the main tort, negligence, it is not surprising that a philosophical opposition began to
emerge. Weinrib’s articles and those of several of his students began to take a harder look at the
question of what role the duty element plays in negligence law. Weinrib’s Kantian and Hegelian
account of the correlativity of right and duty within negligence law is fundamental to his account of
torts. And it is critical, on Weinrib’s view, that the term “duty” refers to a relation of moral significance
between two parties. Weinrib’s moralization -- or remoralization -- of torts anticipated a broader
philosophical investigation of the meaning of “duty” within negligence law. (Weinrib 1983; Weinrib
1989; Weinrib 1995)
In a series of articles, my coauthor John Goldberg and I have depicted the debate over duty as,
in part, a philosophical debate over the structure of the concept of duty within certain kinds of
normative systems (Goldberg & Zipursky 1998; Goldberg & Zipursky 2001; Goldberg & Zipursky
2002). Quite apart from the interpretive question of what concept the law of negligence is best
understood as displaying, there is an analytical question of whether a nonreductive conception of duty
in negligence law can be articulated in such a way that it is not equivalent to the question of whether
reasonable or ordinary care was used by the defendant. According to what is now the academically
dominant account, to say that there was unreasonable conduct by the defendant but that there was no
duty to use such care running to the plaintiff is simply to say that notwithstanding breach of duty
causing injury, there shall be no right of action available to this particular plaintiff. That is because,
according to this conception, the only genuine obligation of conduct within negligence law is an
obligation to use due care, and this obligation does not run to any person or class of persons; it just
exists as the standard of reasonable conduct, full stop. And hence, once one has concluded that
reasonable conduct was not used, one has decided that the only genuinely duty-like aspect of the
situation -- the obligation to use reasonable care -- existed and was breached. If the court then turns
around and says that the plaintiff must lose because there was no duty to him or her, the court can only
be interpreted to mean that there is a class of cases involving a plaintiff situated a particular way and a
defendant situated a particular way, which for some reason should not be actionable even where there
is unreasonable conduct causing injury, and that this case belongs to that class.
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The analytical challenge is therefore the puzzle of explaining how there could be a form of
obligation to use due care that is not simply a duty to use reasonable care owed to no person or class of
persons: why, as we have put it, it might be possible to think of duties of due care as relational in a
nonquestion-begging sense. The answer offered is that it is possible to think of norms of conduct as
either monadic (or simple) or dyadic (or relational). Monadic norms direct or enjoin a class of persons
not to behave in a certain way (or to behave in a certain way). Dyadic norms of conduct are norms that
direct or implore a class of persons not to treat members of some class some way. It is possible to ask
whether one person has violated the norm with respect to some particular person, if the norm is
understood as having a dyadic structure, but not otherwise (Zipursky 1998: 61-63). It is possible to
think of a norm of due care as a dyadic norm, not a monadic norm. Insofar as the obligation’s existence
is constituted by or identical with the existence of a norm, it is possible to think of an obligation to use
due care as a relational obligation, an obligation that it is coherent to think is owed to a person or class
of persons, and coherent to say has been violated with respect to one person but not to another. It is
therefore possible to think of duties of due care as owed to persons or classes of persons (and,
correspondingly, to think of a breach of the duty of due care as a breach of a duty owed to a person or a
class of persons). And -- so long as one can think of legal norms as directing or enjoining conduct -- it
is possible to conceptualize all of this without begging the question of whether the right to sue for
negligence is limited by whether one is among the class of persons to whom a duty is breached.
Of course, even if it is possible to understand duties of care in this manner, it does not follow
that tort law’s duties of due care are best understood in this manner, or that a body of law so constituted
would be more desirable than what “simple duty” theorists would advocate. We and others have
addressed these questions in detail elsewhere (Goldberg & Zipursky 1998: 1826-42). What I wish to
point out here, however, is that the question of the structure of duties is really only the beginning of a
domain of philosophical debate that can and should inform ongoing legal controversies. Later in this
chapter, I shall comment on the role of philosophical analysis of the concept of duty in tort to moral
philosophy more broadly.
II. Jurisprudence and Legal Theory
The philosophical literature on tort law has been at least as important within jurisprudence as it has
within tort law itself. Broadly speaking, tort theorists have contributed to jurisprudential debates in at
least two ways. The first looks to the nature of the value system to be utilized in explaining or
justifying bodies of law. The second looks to the nature of the analytical process to be used in breaking
down and understanding the law.
A. Fairness versus utility
Drawing from Mill and Bentham, Oliver Wendell Holmes Jr. thought that the measure of a legal
system was its contribution to overall well-being of the community it served. The point of the law was
to improve concrete human functioning. It did this by compensating those wrongfully injured and by
giving teeth to the norms of prudent conduct that our society needs. Holmes’s pioneering work was
followed, in different ways, by doctrinalists such as Prosser and Keeton and by economic theorists such
as Richard Posner (Posner 1972) and Guido Calabresi (Calabresi 1970), and, of course, by many
leading courts. By the end of the 1960s, tort law as a domain in which we seek out the most
commendable system for compensating accidental injury was well entrenched. Indeed, a general view
of the law as aimed toward producing human happiness was flourishing in constitutional law, contracts,
and criminal law. This was not surprising, since utilitarianism and its offshoots had achieved
extraordinary prominence in America during the twentieth century. Partly because of Holmes’s
leadership, and partly because of its practical importance within a quickly industrializing nation, tort
law was the exemplar of the utilitarian approach.
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But moral and political philosophy in the English-speaking world was altered in the 1950s and
1960s by the publication of important papers by John Rawls, culminating in his Theory of Justice in
1971. Rawls, of course, revitalized social contract theory and used it as a foundation from which to
construct a critique of utilitarianism. Moreover, after generations of skepticism about the notion of
justice, Rawls confidently offered a grand theory of justice, deploying a notion of fairness in a central
role. Given that jurisprudence has historically and conceptually enjoyed a sibling-like relationship with
moral and political philosophy, one would expect these changes to be reflected in legal theory.
In 1972, less than a year after Rawls’s book, George Fletcher published a landmark article in
the Harvard Law Review entitled “Fairness and Utility in Tort Theory.” Fletcher expressly cited Rawls
as foundation and inspiration for his ideas in the philosophy of tort law. Unlike constitutional law,
where others (most notably Dworkin) had cited the significance of Rawls, and where utilitarianism was
unlikely to have achieved unquestioned superiority, tort law was an area in which utilitarian theorizing
reigned supreme. Fletcher argued that a notion of fairness was better than a notion of utility for
understanding tort law, both from an interpretive and from a normative point of view. He urged that
even strict liability, which was famously advocated from a utilitarian point of view, was in fact better
interpreted in terms of a notion of fairness. And he used this notion of fairness as means for casting in
relief how dogmatically utility-based legal theory in America had become.
Fletcher’s article is emblematic of a now-familiar paradigm battle between economically
oriented legal theorists and deontologically oriented ones, both within torts and elsewhere. And tort law
has been viewed as a field over which these two paradigms should properly do battle. Fletcher’s
reciprocity-based approach is no longer the dominant model for the antiutilitarians in torts (corrective
justice theory is); but, again, the philosophy of tort law remains the centrally contested forum within
which broadly speaking utilitarian theories are challenged by nonutilitarian ones: Libertarian Strict
Liability (Epstein 1973), Aristotelean Corrective Justice Theory (Gordley 1995; Stone 2001; Weinrib
1996;), Constructivist Corrective Justice Theories (Coleman 2001; Ripstein 1998); Social Contract-
Based Theories (Fletcher 1972; Keating 2001). To the extent that such theories have provided fertile
and plausible insights into tort law and tort policy, they have fortified the plausibility of an entire
paradigm of legal theorizing. This broader plane of theorizing has spread across contract, property,
criminal law, tax, and a variety of other areas once almost entirely dominated by the utilitarian
framework.
B. Reductive instrumentalism versus conceptualism
The debate described above, between utilitarian and nonutilitarian theories, is related to another legal
theory debate: that between instrumentalist analysis of law and legal concepts and conceptualistic
analysis. The instrumentalist took the key to understanding law and legal concepts to be an appreciation
of the capacity of pieces of doctrine to serve as instruments for the realization of social ends. Of course,
almost all legal theorists recognize that law does serve social ends; what is distinctive about the
instrumentalists is that they aim to analyze legal concepts purely in terms of the social ends they serve.
Legal terms are purely placeholders within schemes of rules selected for their efficacy in attaining
desired goals.
Examples of this sort of analysis abound within twentieth-century legal theory, both inside and
outside of torts. Take the example of “unconscionability” within contract law. The doctrine that
unconscionable contracts are unenforceable superficially appears to be a moralistic requirement that
bargains that are so extremely one-sided as to be grossly oppressive or unfair should not be enforced.
An instrumentalist analysis would eschew this superficial interpretation -- at least insofar as it aimed to
resurrect some justifiable aspect of the doctrine -- and read unconscionability as a doctrine aimed to
ferret out bargains that were made in a context of such disproportionate bargaining power that the usual
presumption that freely agreed to bargains are efficient no longer holds. “Unconscionable” is just a
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rhetorically effective label for such contracts. The propriety of refusing to enforce them has nothing to
do with the superficial meaning of the term, and is really just a disguise for one of the law’s means of
adhering to a program of promoting efficiency. Similar examples exist through virtually all areas of the
common law and constitutional law. Instrumentalism has thrived in torts as much, or more, than in
other parts of the law -- famously, for terms such as “proximate cause” and “duty,” and for
fundamental principles, such as the requirement that defendant’s conduct actually caused plaintiff’s
injury.
Instrumentalism and utilitarianism are by no means identical, even if adherence to one often
accompanies adherence to the other. It is entirely possible for an instrumentalist to believe that rights
and duties are not simply a matter of utility, but have a thoroughly deontological foundation, and that
the legal terms and concepts are best viewed as instruments for promoting such rights and duties.
Justice Brennan’s First Amendment decisions could be viewed in such light, for example. Conversely,
it is possible to think of the legal system as a whole as justified within a utilitarian framework, but to
think that understanding of legal concepts requires a noninstrumentalist approach; H. L. A. Hart’s
treatment of the criminal law arguably falls within such a description (Hart: ) and, from quite a
different point of view, a variety of neoformalist approaches to statutory interpretation and
constitutional law do so as well.
Ironically, philosophy of tort law has fueled the attack on instrumentalism, even though torts
was probably the field in which instrumentalism enjoyed the greatest dominance. Above all, Ernest
Weinrib has advanced a rich and intricate theory of tort law that is profoundly anti-instrumentalist.
(Weinrib: 1995) The jurisprudential core of his view is that the distinctive form of legal justification is
one in which concepts play a particular role that is essentially distinct from that of promoting certain
ends. Part of what makes tort law a form of law, on Weinrib’s view, is that the concepts within it fit one
another in an integrated manner, and this cluster of integrated concepts manages to realize a certain
kind of normative order, rather than advancing one. The concept of a “juridical structure” within tort
law, examined with great philosophical subtlety by Weinrib, suggests an entirely different model of
how law gets content and meaning, if not by its role in a system aimed at promoting certain goals.
Among the most powerful arguments made against instrumentalism has been the “bipolarity
critique” of instrumentalist accounts of tort law, an attack offered in slightly different forms by Weinrib
and Coleman. (Weinrib 1989; Weinrib 1995; Coleman 1988; Coleman 2001). Briefly, both of these
thinkers point out that instrumentalists must view it as a contingent matter, from a normative point of
view, that defendants in tort are presumptively required to pay an amount equal to the magnitude of the
plaintiff’s injury. For if the tort law is viewed as aiming at efficient deterrence, it is an entirely open
question whether the correct amount will match the plaintiff’s injury; conversely, if it is aimed at
efficient compensation. The system is a truly magnificent coincidence if it is aimed at both, and the
precise magnitude of the injury from these respective parties is what would be required. By contrast,
Weinrib and Coleman have each insisted that the concept of a duty to make whole is central both to
corrective justice and to tort law. To seek to dig underneath this concept in favor of finding an
independently specifiable social goal that is reached is to flush away the core of the justification of the
system.
Weinrib has understandably been criticized for riding the pendulum too far from
instrumentalism all the way to the sort of Langdellian formalism that was rejected in the early part of
the last century (Rabin 1996). Whether or not that is a fair criticism, there is no doubt that Weinrib
demands a level of sympathy for Hegelian and Aristotelian metaphysics that law professors cannot
always muster. And yet similar ideas have emerged from Jules Coleman (Coleman 1998; Coleman
2001), Stephen Perry (Perry 1997), Martin Stone (Stone 1995; Stone 2001), and by me (Zipursky
1998a; Zipursky 2000; Zipursky 2003) and by my coauthors, John Goldberg (Goldberg 1999; Goldberg
10
& Zipursky 1998; Goldberg & Zipursky 2001; Goldberg & Zipursky 2002) and Arthur Ripstein
(Ripstein & Zipursky 2001). Coleman was never a formalist, and yet by contemporary legal academic
standards, his patience for the analysis (rather than the reduction or elimination) of legal concepts has
always been remarkable. I have coined the term “pragmatic conceptualist” to connote a form of anti-
instrumentalism that is open to late twentieth-century legal practice as we know it. (Zipursky 2000)
This view borrows from Cardozo on the one hand (Goldberg & Zipursky 1998; Goldberg 1999) and
from contemporary philosophers of language on the other. Its point is that concepts and principles
within a given domain are grasped by those who interact in that domain, and that their content is, in a
sense, just the network of “moves” with those concepts and principles. To understand these concepts is
not to adopt the right theory of the concept, from a normative point of view, but to learn what it means
and be able to apply it. And the pattern of results that would flow out of these “moves” constitutes the
relevant domain of law.
III. Moral and Political Philosophy
Thus far, I have articulated a number of debates within which the turn to philosophical ideas and
philosophical analysis is natural, and has been fruitful. In these areas, law, or at least legal theory, have
drawn from philosophy. In the remaining discussion, I shall (following Bernard Williams) turn the
arrows around, and ask what other areas of philosophy have learned or could learn from the philosophy
of tort law (Williams 1995).
A. Contextualism in moral thinking
In the roughly 25 years that have elapsed since Alasdair Macintyre published his celebrated book After
Virtue, moral philosophy has undergone several different changes. MacIntyre argued that the concepts
that comprised moral and ethical thinking as a coherent whole depended upon a teleological backdrop
that enlightenment thinking rendered untenable, certainly as a practical matter and possibly as a
theoretical matter too. The result was the paradox of modern moral philosophy, which inevitably would
be unstable and unsatisfactory because its cogency depended on a metaphysical backdrop that had been
rejected. If the modern world had moved too fast for our metaphysics and morals to catch up, the
unfortunate consequence was that a whole world of concepts, although basic, would not endure in any
cogent, comprehensible, and transmissible form.
I suggest that philosophy of law, particularly philosophy of the private law, has retained the
vitality it has as a philosophical area in part because the common law has proved itself, for better or
worse, to be driven by and controlled by genuine moral concepts. Moreover, the law is durable --
sometimes maddeningly so -- and consequently the disintegration of moral concepts bemoaned by
MacIntyre and others need not be accepted as a foregone conclusion in the law. If these conjectures are
true, at least two felicitous features are enjoyed by the philosophy of tort law. First, philosophical
examination of moral concepts in tort law is particularly valuable as a form of moral anthropology.
Like the cooking implements that outlast the food and drink of ancient peoples, and thereby provide
valuable information to them, the enduring common law provides valuable understanding of the
morality of prior cultures. Second, if MacIntyre is correct that moral concepts of a commendable and
vital form are difficult to retain and reconstruct, then it is not merely a historical curiosity, but a
valuable guide to affirmative normative efforts to reconstruct aspects of our moral conceptual
framework, and revitalize it.
The first part of this chapter, which explored the contributions of philosophy to tort law itself,
provides a useful framework within which to illustrate these points. Some concepts -- like the concept
of responsibility -- figure pervasively within the content and structure of tort law. Other concepts --
such as the concept of the duty of due care -- figure within tort law in a more doctrinally structured
11
way. Philosophy of tort law has, I believe, the potentiality to further thinking within moral theory more
generally both on the level of pervasive principles, and on more focused concepts.
Consider first the concept of responsibility. To begin with, there are of course multiple
distinctions corresponding to forms of liability, culpability, and obligation. To be criminally
responsible for an act is different from being held liable for damages in tort. Both of these are forms of
liability that can be defeated if certain features of responsibility (or their more doctrinally structured
counterparts in law) are missing. In addition, there is an important way of discussing responsibility that
pertains not to liability ex post, but to the allocation of duties, ex ante. Thus, for example, an assistant
teacher might be responsible for the reading practice of the N-Z students, while the principal teacher
was responsible for the A-M students. Or maintaining safe conduct in the swimming pool might be a
camp counselor’s responsibilities. Or identifying automobile models that have had significant defects
and recalling them might be among a manufacturer’s responsibilities. The concept of responsibility
here not only mirrors morality, but is intertwined with legal concepts. Not only does the law
incorporate morality in such concepts. Morality also incorporates legal concepts.
Stephen Perry’s excellent work on outcome responsibility, discussed above, provides an
illuminating account of the sense in which legal responsibility in torts for outcomes has a prelegal
foundation in ideas pertaining to moral responsibility and fault (Perry 1992; Perry 1995; Perry 2001).
I think that there is much to this suggestion, and do not mean to undercut it by suggesting that the
opposite is probably also true; that there is a domain of moral attributions of responsibility whose
origin and interpretation requires an understanding of institutional -- and perhaps legal -- arrangements
that allocate blame and liability for bad outcomes. As Arthur Ripstein and Jules Coleman have argued,
there are domains in which the allocation of liability and the shifting of costs are probably not prelegal,
where our moral judgment is relatively amorphous and there is a more probing political and
institutional account of how responsibility judgments are constituted. (Ripstein 1998; Coleman 2001) I
would suggest that accountability for injuries caused by defective products, and a broader range of
enterprise liability falls into this category, for example. Yet in these areas we certainly deploy moral
concepts of responsibility too. Here, I would be inclined to think the legal concepts will play a role in
understanding the moral ones.
More generally, what it means to hold someone responsible, how responsibility for groups
works, what the relation between state of mind and responsibility is, and how responsibility relates to
freedom and voluntariness are all questions that have both moral and legal aspects. If contemporary
moral philosophers are right to suggest that the abstractness and acontextuality of the framing of moral
problems often plays a large role in their evolution into conundrums -- and I think they are -- then
philosophical examination of legal aspects of these problems will also illuminate their moral aspects.
For a variety of broad, but somewhat more pigeon-holed concepts, such as intent, duties of care,
injury, and negligence, the river between moral and legal understanding flows in both directions. Duty
within negligence law again provides a strong example. An important debate over the past 25 years in
moral philosophy is whether all duties are universal, and essentially require of moral agents
impartiality among all persons as obligees, or whether the superficially attractive idea that some duties
are agent-relative is in fact morally defensible (even apart from contractual obligations). There is little
doubt that, according to common-sense morality or folk morality, or late twentieth and early twenty-
first-century Western morality, agent-relative duties exist and are fairly prominent on our moral
landscape. (Nagel 1986; Scheffler 1994) There is also little doubt that the law of torts and beyond are
rife with agent-relative duties, even apart from contract. The questions in both morality and law is
whether such duties are defensible, and if so, what their range, nature, content, and ground of
justification is.
12
These are obviously complex questions that I am not about to answer here. What I am
commenting upon is, however, one of the reasons that philosophy of tort law makes sense as a subject,
and more particularly, the idea that moral philosophy more broadly can learn from philosophy of tort
law -- now in the context of whether agent-relative duties are defensible. What tort law teaches us, John
Goldberg and I have argued, is that those who think in terms of duties of care, by virtue of the structure
of the concept of duty, highlight a domain of persons and a domain of goods for those persons as ones
on which a certain kind of focus and vigilance and responsiveness is of the highest priority. The nature
of the vigilance, the responsiveness, and the prioritization are all sensitive to the institutional context
and the ramifications for liability and courts. Agent relativity simultaneously emerges from this context
as a rather appropriate kind of link, and also serves a certain function by permitting vigilance to
develop and play a role where certain kinds of bonds exist. The concepts and institutions of the law
solidify and perpetuate these roles and bonds.
If this picture of the duties in the law of negligence is correct, then it suggests a possible route
for understanding agent-relativity in morality too. Moral duties of care that are recognized by folk
morality tend to relate to family, friendships, and groups of social organization. To some degree they
relate to expectations, but there is a circularity here that will be vicious if we do not offer an
explanation of why the expectations are what they are. The legal account suggests that, as Mill and
Sidgwick recognized, the sanctions of conscience ingrained through folk morality structure our patterns
of vigilance, care, and responsiveness, so that we prioritize those with whom we have certain kinds of
relationships over others. Just as patterns of legally recognized duties of care within, say, hospitals or
governments, make those institutions possible, so patterns of moral duties within friendships and
families play a role in making these possible (Raz 1994). The scope, content, and nature of these
patterns of care and vigilance within ordinary morality are less structured and perhaps more intuitive
than on the legal level. But the legal case -- the case within negligence law -- provides a powerful
analytical framework for thinking about the moral level. I would argue that theories of intent,
causation, fault, reasonableness, restitution -- even the concepts of fact and opinion -- could provide
similar illumination to debates within substantive moral and political philosophy.
B. Distributive justice and corrective justice
Finally, philosophy of tort law has made a substantial contribution to philosophical theorizing
about justice. The previous section on ‘Jurisprudence and Legal Theory’ discussed legal theory’s
building upon Rawls in the philosophy of tort law. Here I shall discuss the possibility that political
theory can break out of a Rawlsian conception of the subject matter of theories of justice by building
upon tort theory.
John Rawls’s A Theory of Justice (1971) is probably the most important piece of political
theory in the English-speaking world of the past century. While its scope is remarkable, Rawls’s theory
of justice is ultimately an account of only certain aspects and forms of justice, sometimes lumped under
the heading “distributive justice.” I am doubtful that this is really just one large form of justice --
considering that Rawls addresses not only the distribution of goods and posts but also the basic
structure of a just society. Putting that question to one side, Rawls’s own title and a generation of
scholars have taken Rawls’s work to demarcate boundaries of the subject of justice. As discussed
above, this was notable not only because of the depth and quality of Rawls’s own theory of justice, but
also because it developed a philosophical approach that, both in plan and in execution, displayed justice
as a different, and in some ways superior, value to social welfare.
Tort theory has brought an entirely different aspect of justice to the forefront of political
philosophy. “Corrective justice” is of course the label used, and it is distinguished from “distributive
justice.” There are other forms of justice that have been interestingly developed, most notably
“retributive justice” within the criminal law. But the depth and philosophical breadth of corrective
13
justice theory have made it a uniquely important foil of and complement to distributive justice within
political theory. Moreover, the pedigree of this pair of forms of justice comes from Aristotle’s
Nicomachean Ethics, leading many to suspect that a full philosophical theory of justice would have to
reckon with both halves. If constitutional law, property law, and tax policy are the legal domains that
most usefully accompany theoretical examination of issues in distributive justice, tort law is the legal
domain that most usefully complements theoretical examination of issues in corrective justice.
Aristotle distinguished corrective justice from distributive justice using mathematical
metaphors. Distributive justice is geometric and involves proportionality in the allocation of goods
among members of society. Corrective justice is arithmetic, and involves adding back what has been
taken away, or subtracted, from someone. The one who adds back is the one who gained from a
transaction or activity more than he or she should have. The rendering even between the two parties is
corrective justice, on the Aristotelian account.
This distinction between “corrective justice” and “distributive justice” has been criticized on
numerous grounds; I suggest, simply for purposes of demarcating a domain of study, a different basis
of distinction. What is remarkable about the Rawlsian domain of justice is that justice is an attribute of
a state or system, in the first instance. Relatedly, justice is like beauty or fairness or transparency: it is
an attribute that, as a matter of logical form, is enjoyed or not enjoyed by an entity at a time.
Distributive justice is, in this sense, static.
Corrective justice is a different sort of thing, I suggest, following Weinrib (Weinrib 1995). The
phrases “justice is done” or “let justice be done” connote the idea that justice is something that is done
in certain processes or transactions. Now certainly distributive justice could be done, in the sense that
changes could occur that transform a state that is unjust from a distributive point of view into one that
is just. But here, the nonstatic sense of justice is derivative of the static sense. The idea of justice being
done contemplates, I believe, a primary sense of justice at the level of the doing, or the event, or the
transaction. A court’s doing justice or a private party’s doing justice is not usually conceived of as the
reestablishment of a state of affairs that is incontrovertibly distributively just. The opinion of whether
justice has been done is surely sensitive to the past and the context; indeed, the judgment of whether
justice has been done cannot be made until we know in response to what a court or private party has
acted. The point, however, is that as a matter of form the sort of justice we are considering now pertains
in the first instance to acts or events or doings -- all of which occur through time and are processes. The
noun “justice” is not simply a conjugation of the adjective “just,” referring to the static attribute of
being just. And “doing justice” is not simply putting things into a state of affairs that enjoys the
attribute of being just. In this sense, the concept of justice is capable of being nonstatic, or what I would
call dynamic.
If these remarks are plausible then corrective justice theory can be viewed, most broadly, as the
philosophical examination of the dynamic aspect of justice, while distributive justice theory is the
philosophical examination of the static aspect of justice, particularly of the state. Not all of those who
would call themselves “corrective justice theorists” would accept this characterization, but even the
attempt to avoid dynamic conceptions of justice is itself extraordinarily illuminating. Thus, for
example, to return to the exploration of responsibility, Perry conceives of corrective justice as a form of
distributive justice in which losses are allocated fairly by considering fault and the connections between
conduct and consequence that constitutes “outcome responsibility”) (Perry 1992). Ripstein conceives
of tort law in terms of “risk ownership” within a system that involves fair and equal terms in the
distribution of risk ownership (Ripstein 1998). It is a subtle question whether corrective justice, for
Perry or Ripstein, involves a dynamic conception of justice or merely a static conception, applied to a
very different sort of good and equality than we usually think.
14
Weinrib is a corrective justice theorist in precisely the sense I have described, and, indeed, is
largely responsible for the reinvigoration of this branch of political philosophy emanating out of
Aristotle. Corrective justice involves rectification or, more colloquially, setting things right. The idea
of justice being done is an idea of rectification being done. Various philosophers of tort law have
offered different theories of what constitutes rectification. Weinrib himself analyzes rectification as a
restoration of a normative equilibrium, and argues that a synthesis of Aristotle, Kant, and Hegel yields
an understanding of normative equilibrium. A larger group of scholars, including Epstein, Wright, and
Gordley (the latter two, purporting to follow Aristotle), understand rectification in a manner that tracks
property rights more closely (Epstein 1973; Gordley 1995; Wright 1995). Margaret Radin understands
rectification in communicative terms, as the sending of a countermessage that negates the message of
the wrongdoer (Radin 1993); (Hampton explored a parallel variation of retributive justice in criminal
law (Hampton 1988). Ripstein’s book has interestingly synthesized a number of aspects of these views
(Ripstein 1998).
In my own work, I have offered what is, in an important sense, a more subjective interpretation
of the dynamic form of justice that acts as a foil to distributive justice, an idea sufficiently different
from corrective justice to merit a different name: “civil recourse” (Zipursky 1998; Zipursky 2002;
Zipursky 2003). I have argued that a domain of justice involves response to wrongdoing (indeed, the
word “responsibility” connotes the idea of who is properly the object of a response). However, what
our modern political state offers, at least in common law systems, is not necessarily an approximation
to an objective form of setting things right. Rather, it offers those who have been wronged a means of
responding to those wrongdoings, and both defines and constrains the nature and magnitude of
permissible response to wrongdoing. The law of torts embodies what I have called a “principle of civil
recourse”: in denying individuals the raw liberty to respond aggressively to having been wronged, it is
incumbent upon the state to provide each person an avenue of civil recourse against the wrongdoer. A
right of action is an artificial, civil, means of redress with which the state empowers each citizen, in
order to provide an avenue of recourse. Yet a right of action in tort is simply an individual’s legal
power to seek redress; its exercise does not necessarily, or even in principle, entail that justice will be
done. Corrective justice is perhaps what we individually and socially aspire to as a regulative ideal. But
the structure of our tort law is better understood as affording and constraining an individual’s
opportunity to pursue justice, than as comprising society’s effort to do so.
These philosophical theories of tort law are underdeveloped, particularly in comparison with the
philosophical riches that enlightenment thinkers and Rawls and his critics have provided in the theory
of distributive justice. But what they have contributed, which is surely of enormous importance in
political and legal philosophy, is a recognition of an entirely different aspect of justice, one that likely
equals distributive justice in its importance for understanding and evaluating our legal system and our
aspirations to realize and apply the more primitive sense of justice upon which we rely to guide our
social and political world. For once we see this form of justice in tort theory, we see that a wide range
of public and private law do appear to seek a form of justice quite different from distributive justice,
even if they also appear to seek that.
Conclusion
Tort law is in many ways the simplest area of law. In this sense, it stands to the legal philosopher as the
ball of wax does to the epistemologist or the metaphysician.
Its simplicity ironically invites the deepest inquiries. It invites basic questions about what justice is,
how morality and justice are intertwined, how legal concepts shape conduct but also constitute forms of
thinking, and how deontic and utilitarian notions share the playing field in the arena of law.
Philosophers of tort law have probed in these areas and proceeded to deeper levels than philosophers of
law have previously reached.
15
At the same time, tort law is not only quotidian at a conceptual level, its problems touch almost
every area of conduct in daily life. It is therefore not surprising that the relatively comfortable concepts
with which the tort law began, and which, because of the place of precedent in the common law,
constitute tort law, have provided an almost dizzying array of conceptual puzzles as we have forged
ahead with new sorts of activities, problems, injuries, and torts. Here too, philosophical inquiry has
offered the means to continue on our framework of concepts, reflectively pruning that framework so as
to retain an intelligible form that we are willing to stand by.
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