This paper examines the use of fines and imprisonment to deter individuals from engaging in harmful activities. These sanctions are analyzed separately as well as together, first for identical risk-neutral individuals and then for two groups of risk-neutral individuals who differ by wealth. When...

This article analyzes corruption of law enforcement agents: payment of bribes to agents so that they will not report violations. Corruption dilutes deterrence because bribe payments are less than sanctions. The state may not be able to offset this effect of bribery by raising sanctions for the...

Some of the costs of enforcing laws are fixed" - - in the sense that they do not depend on the number of individuals who commit harmful acts- -while other costs are "variable"- - they rise with the number of such individuals. This article analyzes the effects of fixed and variable enforcement...

The deterrence of crime and its reduction through incapacitation are studied in a simple multiperiod model of crime and law enforcement. Optimal imprisonment sanctions and the optimal probability of sanctions are determined. A point of emphasis is that the incapacitation of individuals is often...

Governments employ two basic policies for acquiring land: taking it through exercise of their power of eminent domain; and purchasing it. The social desirability of these two policies is compared in a model in which the government's information about landowners' valuations is imperfect. Under...

When is it socially advantageous for legal rules to be changed in the light of altered circumstances? In answering this basic question here, a simple point is developed -- that past compliance with legal rules tends to reduce the social advantages of legal change. The reasons are twofold:...

The prison time actually served by a convicted criminal depends to a significant degree on decisions made by the state during the course of imprisonment--on whether to grant parole or other forms of sentence reduction. In this article we study a model of the adjustment of sentences assuming that...

Self-reporting -- the reporting by parties of their own behavior to an enforcement authority -- is a commonly observed aspect of law enforcement, as in the context of environmental and safety regulation. We add self-reporting to the model of the control of harmful externalities through...