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Common Law Efficiency under Haphazard Adjudication

Kenton K. Yee

Mellon Capital Management

November 2005

Absent efficiency-cultivating judges, is selective litigation alone enough to drive the common law to efficiency? To address this question, the common law is viewed as an evolving network of precedents. Litigants nominate the most inefficient precedents for re-adjudication and judges modify these precedents haphazardly. I show that in equilibrium every precedent achieves and remains above (except when it is being relitigated) a threshold efficiency score. Above the threshold, any score is equally likely. Therefore, despite haphazard adjudication, selective litigation by itself is enough to drive the common law above a threshold efficiency level. However, haphazard adjudication fails to achieve perfect efficiency - the efficiency distribution above the threshold has nonzero width.

Number of Pages in PDF File: 30

Keywords: common law, evolution, learning, adaptation, networks

JEL Classification: K0, L0, L2, N2, O0, Z0, Z1

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Date posted: May 22, 2001  

Suggested Citation

Yee, Kenton K., Common Law Efficiency under Haphazard Adjudication (November 2005). Available at SSRN: https://ssrn.com/abstract=270593 or http://dx.doi.org/10.2139/ssrn.270593

Contact Information

Kenton K. Yee (Contact Author)
Mellon Capital Management ( email )
50 Fremont Street, #3819
San Francisco, CA 94105
United States
415-975-3565 (Phone)
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