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A note on: jury size and the free rider problem

Spencer, C, Levine, P and Bag, P (2006) A note on: jury size and the free rider problem Economics Bulletin, 4 (3). pp. 1-12.

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Abstract

This note reassesses the basic result in Mukhopadhaya (2003) that, when jurors may acquire costly signals about a defendant's guilt, with a larger jury size the probability of reaching a correct verdict may in fact fall, contrary to the Condorcet Jury Theorem. We show that if the jurors coordinate on any one of a number of (equally plausible) asymmetric equilibria other than the symmetric equilibrium considered by Mukhopadhaya, the probability of accuracy reaches a maximum for a particular jury size and remains unchanged with larger juries, thus mitigating Mukhopadhaya''s result somewhat. However, the case for limiting the jury size – a recommendation by Mukhopadhaya – gains additional grounds if one shifts the focus from maximizing the probability of reaching a correct verdict to the maximization of the overall social surplus, measured by the expected benefits of jury decisions less the expected costs of acquiring signals.

Item Type: Article
Authors :
NameEmailORCID
Spencer, CUNSPECIFIEDUNSPECIFIED
Levine, Pp.levine@surrey.ac.ukUNSPECIFIED
Bag, PUNSPECIFIEDUNSPECIFIED
Date : 2006
Uncontrolled Keywords : D7, K4
Depositing User : Symplectic Elements
Date Deposited : 16 May 2017 15:14
Last Modified : 17 May 2017 14:33
URI: http://epubs.surrey.ac.uk/id/eprint/818187

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