Many legal rules, notably rules of procedure and evidence, are concerned with achieving accuracy in the outcome of adjudication. In this article, we study accuracy in the conventional model of law enforcement. We consider why reducing error in determining liability is socially valuable and how...

Even when society would wish to deter all acts of some type, such as tax evasion and many common crimes, the benefits from deterrence often will be insufficient to justify the expenditures on enforcement that would be required to deter everyone. If some individuals are not deterred, however,...