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Optimization, Path Dependence and the Law: Can Judges Promote Efficiency?

Alain Marciano and Elias Khalil ()

IEL Working Papers from Institute of Public Policy and Public Choice - POLIS

Abstract: The thesis that judges could (voluntarily or not) promote efficiency through their decisions has largely been discussed since Posner put it forward in the early 1970s. There nonetheless remains a methodological aspect that has never (to our knowledge) been analyzed and that we address in this paper. We thus show that both promoters and critics of the judge-and-efficiency thesis similarly use a definition of optimization in which history, constraints and path-dependency are viewed as obstacles that must be removed to reach the most efficient outcome. This is misleading. Efficiency cannot be defined in absolute terms, as a “global ideal” that would mean being free from any constraint, including historically deposited ones. That judges are obliged to refer to the past does not mean that they are unable to make the most efficient decision because constraints are part of the optimization process; or optimization is necessarily path- dependent. Thus, the output of legal systems cannot be efficient or inefficient per se. This is what we argue in this paper.

Keywords: Judicial decision making; Historical inertia; Inefficiency; Adaptationism; Spandrelism; Global ideal; Rationality; Lock-in institutions. (search for similar items in EconPapers)
JEL-codes: B40 B52 K00 (search for similar items in EconPapers)
Pages: 43 pages
Date: 2012-02
New Economics Papers: this item is included in nep-cbe, nep-his and nep-mic
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