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Standard Voting Power Indices Work: An Experimental Investigation of Pure Voting Power

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Author Info

  • Chris GELLER

    ()
    (Deakin University)

  • Jamie MUSTARD

    ()
    (Deakin University)

  • Ranya SHAHWAN

Abstract

We evaluate the accuracy of power indices by experimentally measuring the political power embodied in blocks of votes per se. The experiment incorporates several subjects interacting in online chat rooms under supervision. Chat rooms and processes for selecting subjects reduce or eliminate extraneous political forces leaving logrolling as the primary political force. Results show that two standard power indices reflect voting power while other power indices and proportionality do not.

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File URL: http://www.deakin.edu.au/buslaw/aef/workingpapers/papers/swp2004_23.pdf
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Bibliographic Info

Paper provided by Deakin University, Faculty of Business and Law, School of Accounting, Economics and Finance in its series Economics Series with number 2004_23.

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Length: 25 pages
Date of creation: 21 Oct 2004
Date of revision:
Handle: RePEc:dkn:econwp:eco_2004_23

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Web page: http://www.deakin.edu.au/buslaw/aef/index.php

Related research

Keywords: Voting; Power Index; P Power; Shapley-Shubik; Banzhaf; Johnston; Burgin; Experiment.;

References

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  1. Dennis Leech, 2002. "An Empirical Comparison of the Performance of Classical Power Indices," Political Studies, Political Studies Association, vol. 50(1), pages 1-22, 03.
  2. Gelman, Andrew & Katz, Jonathan N. & Bafumi, Joseph, 2002. "Standard Voting Power Indexes Don't Work: An Empirical Analysis," Working Papers 1133, California Institute of Technology, Division of the Humanities and Social Sciences.
  3. Donal G. Saari & Katri K. Sieberg, 1999. "Some Surprising Properties of Power Indices," Discussion Papers 1271, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  4. Smith, Vernon L, 1982. "Microeconomic Systems as an Experimental Science," American Economic Review, American Economic Association, vol. 72(5), pages 923-55, December.
  5. Taylor, Alan & Zwicker, William, 1997. "Interval measures of power," Mathematical Social Sciences, Elsevier, vol. 33(1), pages 23-74, February.
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Cited by:
  1. Chris Geller & Jamie Mustard & Ranya Shahwan, 2007. "Focused Power: Experimental Manifestation of the Shapley-Shubik Power Index," Economics Series 2007_13, Deakin University, Faculty of Business and Law, School of Accounting, Economics and Finance.

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