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'A Theory of Rational Jurisprudence'

Detail Summary
Date 25 October 2010
Time 11:45 - 13:15

Please note that this seminar starts 15 minutes later than usual.

Abstract

This paper uses a dynamic model to study the development of judge-made law. Judges learn about the proper scope of the legal rule from the facts in the litigated cases. To the extent the rule of law entails treating like cases alike, we show that the rule of law is inconsistent with rational or cost-justified judicial learning. One must be sacrificed to achieve the other. We further show that judges seeking to maximize social welfare will change their "interpretation" of prior case law over time. Common, but often critiqued judicial practices, such as distinguishing prior cases that are indistinguishable or writing inconsistent opinions, are beneficial because they foster learning. Finally, we consider the convergence of legal rules. We find that convergence can result in a subset of imperfect or inefficient rules, even if all judges share efficiency as their normative goal. It is efficient, in other words, for judge-made law to contain errors.

Paper Mezzetti
Oudemanhuispoort
Oudemanhuispoort

Oudemanhuispoort 4-6
1012 CN Amsterdam