Kaniovski, Serguei and Leech, Dennis. (2009) A behavioral power index. Public Choice, Vol.141 (No.1-2). pp. 17-29. ISSN 0048-5829

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Abstract

We propose an empirically informed measure of the voting power that relaxes the assumptions of equally probable and independent votes. The behavioral power index measures the voter's ability to swing a decision based on the probability distributions of the others' behavior. We apply it to the Supreme Court of the United States using roll-call data to estimate voting probability distributions, which lead us to refute the assumption of equally probable and independent votes, and estimate the equivalent number of independent Justices for the Warren, Burger and Rehnquist benches, which turns out to be very low.

Item Type:	Journal Article
Subjects:	H Social Sciences > HC Economic History and Conditions J Political Science > JA Political science (General)
Divisions:	Faculty of Social Sciences > Economics
Journal or Publication Title:	Public Choice
Publisher:	Springer
ISSN:	0048-5829
Date:	October 2009
Volume:	Vol.141
Number:	No.1-2
Number of Pages:	13
Page Range:	pp. 17-29
Identification Number:	10.1007/s11127-009-9431-1
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
URI:	http://wrap.warwick.ac.uk/id/eprint/17418

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