Defining the Costs of Tort Liability
The most easily measured "costs"
of the liability system are its direct costs--that
is, those incurred by plaintiffs, defendants,
and their insurance companies in litigating
and settling specific claims, as well as
the court costs that are ultimately paid
by taxpayers. For the purposes of policy
analysis, however, that measure of costs
is too large in one respect and too small
in another.
It is too large in that some direct "costs"
merely shift money from injurers to victims
and thus are not true costs to society as
a whole. In economic terms, payments that
do not involve any use of resources to produce
goods or services are called "transfer
payments." Those that do involve using
resources for production are known as "real
resource costs" (also "social
costs" or simply "costs").
Specifically, the portion of a settlement
or judgment that goes to the plaintiffs
is a transfer payment. The portion that
goes to the plaintiffs' attorneys, in contrast,
is a real cost because it reflects the value
of the resources (attorneys' time, office
space, equipment, and so on) devoted to
that case and thus not available for other
uses.(1)
Conversely, measures of direct costs are
too small for policy purposes in that they
naturally exclude indirect costs--those
associated not with specific claims but
with actions that businesses and consumers
take or forgo because of the incentives
of the liability system as a whole. Indirect
costs include various kinds of real resource
costs, such as:
The costs of precautions taken by potential
injurers,
The opportunity costs (forgone value) of
goods and services that potential injurers
withdraw from the market or do not create
because of liability concerns,
The opportunity costs of goods and services
that consumers do not buy because of liability-induced
price increases, and
The disruption costs of layoffs and bankruptcies
caused by liability problems.(2)
Indirect costs are not necessarily bad:
from the perspective of efficiency, the
question is whether they yield benefits
larger than the costs.
Evidence About the Costs of the Tort System
The most comprehensive estimates of tort
liability costs--which cover only direct
costs--come from studies by Tillinghast-Towers
Perrin, an actuarial and management consulting
firm.(3) Those estimates take advantage
of the fact that most tort costs are paid
through the insurance industry, in the form
of legal costs to defend policyholders,
benefits paid to victims and their attorneys
on behalf of policyholders, and internal
costs for handling claims. Thus, Tillinghast
uses financial data from the insurance industry
to estimate insured costs for all types
of policies except medical malpractice insurance.
(Those costs are estimated separately using
the firm's proprietary database of state-level
costs, controlling for the changing mix
of insured versus self-insured providers.)
Finally, Tillinghast estimates self-insured
costs (again, except for medical malpractice)
on the basis of various specialized studies.
Because of a lack of data, the estimates
exclude awards and settlements that cannot
be insured in particular states (such as
those for contract and shareholder litigation
or for punitive damages) and certain extraordinary
self-insured costs, such as those of the
tobacco settlements.(4)
By that definition of costs, the U.S. tort
system cost a total of $205.4 billion in
2001, Tillinghast estimates. That figure
represented 2.04 percent of gross domestic
product--the largest share among the 12
industrialized countries that Tillinghast
investigated.(5) Of that amount, 46 percent
constituted transfer payments to plaintiffs:
22 percent for economic damages and 24 percent
for noneconomic damages. The other 54 percent
represented true costs: transaction (procedural)
costs for plaintiffs' attorneys (19 percent),
defense costs (14 percent), and insurance
companies' administrative costs (21 percent).(6)
Estimates for most of the indirect costs
of the tort system do not exist--which is
not surprising given that many of those
costs are difficult to observe. For example,
even firms that keep track of their safety-related
spending would probably have trouble identifying
the share driven by tort liability rather
than by regulation or other factors. One
notable exception to the lack of estimates
of indirect costs comes from a recent study
released by the U.S. Chamber of Commerce,
which estimated that asbestos liabilities
have caused $0.6 billion to $2.1 billion
in disruption costs from bankruptcies and
layoffs.(7)
Are Tort Costs Excessive?
Costs can be considered excessive if they
do not contribute positively to either efficiency
or equity. Even transfer payments may be
excessive costs in that sense. Although
transfers do not use real resources directly,
the incentives they provide can have real
costs that reduce efficiency. In addition,
transfers that are arbitrary or otherwise
unfair can reduce equity.
The Efficiency of the Tort System as a
Mechanism for Compensation
On the question of whether tort costs contribute
to efficiency--which is the focus of economic
analysis--the available data allow a partial
conclusion: even leaving aside the largely
unknown indirect costs, the current tort
system seems to be an inefficient way to
compensate victims. As noted above, Tillinghast
estimates that only 46 percent of the total
direct costs of the tort system go to victims
in the form of economic and noneconomic
damages; 54 percent go to transaction costs.
By comparison, in the no-fault compensation
systems for on-the-job and vaccine-related
injuries, administrative costs make up only
about 20 percent and 15 percent of total
costs, respectively.(8)
Those comparisons are not entirely apt,
however. The administrative costs of those
compensation systems exclude spending on
claimants' attorneys--which has reportedly
grown in the workers' compensation system
as the regulations governing it have become
more complex. Moreover, linking injuries
to particular injurers (so their premiums
can be adjusted to reflect their own track
record, as the workers' compensation system
does) would be more difficult with torts
in general. Nonetheless, given the large
percentage differences between the tort
liability system and no-fault compensation
systems, it seems safe to conclude that
the tort system costs more than does an
available alternative method of compensating
victims.
Some types of torts clearly have little
impact on deterring injuries; virtually
their entire value to society is as a mechanism
for compensating victims. Asbestos torts
are an example: the injurious actions generally
took place decades ago, and asbestos is
now in limited use (as a combined result
of litigation and government regulation),
so today's cases serve no role in deterring
additional asbestos injuries. The same reasoning
applies to any torts that deal with injuries
whose source was unknown at the time.(9)
For such torts, liability costs are indeed
inefficient.
The Efficiency of the Tort System as a
Mechanism for Deterrence
In the more typical case of torts that are
intended to provide deterrence as well as
compensation, economists have not reached
a consensus about whether costs are efficient.
The tort system may conceivably improve
efficiency, despite its high transaction
costs, if it is particularly effective in
reducing the number and severity of injuries.
Such effectiveness has not been demonstrated,
however.
One key issue is the relationship between
actual costs to victims and the liability
costs that are faced by injurers. In a situation
in which potential injurers anticipate paying
an extra dollar for every additional dollar
of injuries or transaction costs they cause,
they have the right incentive to take cost-effective
steps to reduce future costs.
However, potential injurers may expect
to pay more or less than one extra dollar
in liability for each additional dollar
of social costs they cause. If liability
awards exceed actual injury losses--for
example, because of punitive damages--potential
injurers may be motivated to overspend on
precaution (provided they can identify enough
promising ways to do so). As an example,
suppose a firm expects to pay two dollars
in liability for every dollar of actual
social costs it produces. In that case,
it will perceive investments in precaution
to be twice as valuable as they are to society
as a whole, and thus it will have an incentive
to spend up to two dollars for every additional
dollar in actual costs saved. All of the
spending that returned less than one dollar
per dollar from society's standpoint would
reduce the net savings from precaution,
making it less likely that tort costs on
the whole were efficient. Ironically, the
inefficiency associated with excessive precaution
may result in increased risk. For instance,
drug manufacturers may withdraw or withhold
otherwise valuable medicines from the market,
and physicians may withdraw their services.(10)
Efficiency may also suffer if potential
injurers find ways to reduce their liability
exposure without reducing the actual risk
of injury. Such avoidance efforts typically
have real resource costs but do not add
to the social benefits of tort liability.
That problem arises from errors in assigning
liability: if injurers were held responsible
for all of (and only) the injuries that
they truly caused, they would have no opportunities
to reduce expected liability costs without
reducing actual risks. A commonly cited
example is "defensive medicine,"
in which medical professionals conduct low-value
procedures in hopes of avoiding the costs
and stigma of being sued.(11)
Finally, if potential injurers expect to
pay less than one dollar in liability costs
per dollar of additional social costs--or,
more to the point, expect to save less than
one dollar per dollar of reduced social
costs--they will have too little incentive
to take preventive action. That situation
may occur if liability judgments have a
significant arbitrary component, if avoidance
efforts succeed in obscuring injurers' roles
in causing some losses, or if injurers insure
their liability costs and the premiums they
pay do not fully reflect their injury record.
Underinvestment in prevention can even arise
from perverse incentives that associate
increased care with higher liability costs--as
in the case of a company that refrains from
researching ways to make its products safer
lest it create a paper trail of safety-related
data that could be used against it in court.(12)
Whatever the cause, underinvestment in prevention
has the same effect on efficiency as overinvestment:
the net savings from precaution are lower
than they would be in the ideal case (here,
because some worthwhile opportunities are
neglected), and thus they are less likely
to outweigh the other costs of the liability
system.
The Efficiency and Equity of Nonpecuniary
Damages
Critics of the tort system have particularly
questioned the deterrence benefits of nonpecuniary
damages (punitive awards and compensatory
awards for pain and suffering). They argue
that large nonpecuniary damages cannot provide
useful incentives for precaution because
they are awarded in a subjective, arbitrary,
and unpredictable way, with little connection
to the actual harm or, in the case of punitive
damages, to the character of the injurer's
conduct. In that view, such awards are inequitable
as well as inefficient. Indeed, the Supreme
Court has ruled that punitive damages violate
the Due Process Clause of the Constitution
if they are not "both reasonable and
proportionate to the amount of harm to the
plaintiff and to the general damages recovered."(13)
The accuracy of that characterization of
nonpecuniary damages is a matter of some
debate. Supporters of the status quo argue
that large awards for punitive damages can
promote efficiency by sending appropriate
signals for precaution in regard to torts
that have a significant probability of escaping
detection and judgment. Moreover, they say,
large punitive damages can serve equity
by punishing egregious behavior on the part
of large injurers. Supporters further argue
that noneconomic losses such as pain and
suffering are as real as economic losses
(albeit harder to quantify), so setting
artificial limits on awards for such losses
may undercompensate some injury victims
and may produce some product prices that
are inefficiently low because they do not
fully reflect the products' true risks.
Economists have tried to shed empirical
light on the question of the efficiency
of tort costs, focusing primarily on punitive
damages. However, the limited data have
not yielded a compelling answer. A 1998
study investigated the deterrent effects
of punitive damages by comparing the four
states that prohibit such damages with the
46 states (and District of Columbia) that
allow them. The study found no statistically
significant differences in deterrent effects--and
in many cases, differences of the "wrong"
sign--for more than a dozen indicators of
environmental and safety risks.(14) The
author of the study posited two arguments
to explain the lack of an effect: that punitive
damages are awarded too randomly to influence
behavior, and that federal regulations and
market forces other than liability are stringent
enough to leave no room for additional deterrence.
However, two follow-up papers suggested
that the statistical results of that study
could merely reflect limitations of the
data. Those papers argued that four states
do not provide a strong basis for comparison
and that punitive damages could be serving
their intended purpose of deterring the
most egregious torts--which by definition
are relatively rare--without having a discernable
impact on overall injury rates.(15)
Conclusions
In short, the current state of data and
economic analysis do not allow CBO to judge
whether the costs of the tort system are
efficient or excessive on the whole.(16)
What is clear, however, is that those costs
are large enough to be significant for the
U.S. economy. That fact helps raise the
question of whether changes to the current
tort system could reduce the system's costs
without undermining its benefits.
Lawsuits Consumer Fraud
(St. Paul, Minn.: West Group, 1999), p. 926.
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