This essay is a new chapter in An Introduction to Law and Economics (Third Edition, forthcoming 2003). It reexamines some of the principles of liability from earlier chapters when harm is caused by an agent who is under the supervision of a principal. The primary questions addressed are: Is the...

A central result in the economic theory of liability is that, if an injurer's liability equals the victim's loss, then either the rule of strict liability or the rule of negligence can induce the injurer to behave properly. However, for this result to hold, the injurer must know the victim's...

In nuisance-type cases, legal commentators generally recommend -- and the courts seem to increasingly use -- the award of damages rather than the granting of an injunction of the harmed party. This essay compares the economic consequences of injunctive and damage remedies under a variety of...

This chapter surveys the theory of the public enforcement of law—the use of governmental agents (regulators, inspectors, tax auditors, police, prosecutors) to detect and to sanction violators of legal rules. The theoretical core of the analysis addresses the following basic questions: Should...

This article studies how liability for environmentally harmful discharges affects the incentives of firms to engage in cleanup and invest in precautions, as well as the incentives of consumers to purchase the goods whose production leads to discharges. Our main conclusion is that making firms...

This paper formally analyzes strict liability and negligence in a market setting. The discussion emphasizes the impact of the rules on the market price and on the number of firms in the industry. For simplicity, the damage caused by each firm is assumed to be determined only by that firm's...

When parties can bargain with each other in an externality situation, it is frequently argued that liability rules are preferable to property rules. The case for liability rules is thought to be strongest when the parties behave strategically, when the collective authority responsible for...

This chapter of the forthcoming Handbook of Law and Economics surveys the theory of the public enforcement of law -- the use of governmental agents (regulators, inspectors, tax auditors, police, prosecutors) to detect and to sanction violators of legal rules. The theoretical core of our analysis...

This article surveys the theory of the public enforcement of law -- the use of public agents (inspectors, tax auditors, police, prosecutors) to detect and to sanction violators of legal rules. We first present the basic elements of the theory, focusing on the probability of imposition of...

Should the level of liability imposed on an injurer be based on the harm he caused or instead on the gain he obtained from engaging in the harmful act? The main point of this article is that there is a strong reason to favor liability based on harm rather than gain when account is taken of the...