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A Behavioural Power Index

Author

Listed:
  • Kaniovski, Serguei

    (Austrian Institute of Economic Research (WIFO))

  • Leech, Dennis

    (Department of Economics, University of Warwick)

Abstract

We propose an empirically relevant measure of voting power that uses the information about real or assumed voting patterns conveyed by a joint probability distribution on the set of voting outcomes, and apply it to the voting data of the Supreme Court of the United States.

Suggested Citation

  • Kaniovski, Serguei & Leech, Dennis, 2007. "A Behavioural Power Index," The Warwick Economics Research Paper Series (TWERPS) 831, University of Warwick, Department of Economics.
    • Handle: RePEc:wrk:warwec:831
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    File URL: https://warwick.ac.uk/fac/soc/economics/research/workingpapers/2008/twerp_831.pdf
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    References listed on IDEAS

    as
    1. Matthew Braham & Manfred J. Holler, 2005. "The Impossibility of a Preference-Based Power Index," Journal of Theoretical Politics, , vol. 17(1), pages 137-157, January.
    2. Napel, Stefan & Widgrén, Mika, 2017. "Power measurement as sensitivity analysis: a unified approach," Center for Mathematical Economics Working Papers 345, Center for Mathematical Economics, Bielefeld University.
    3. Annick Laruelle & Federico Valenciano, 2005. "Assessing success and decisiveness in voting situations," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 24(1), pages 171-197, January.
    4. Dan S. Felsenthal & Moshé Machover, 1998. "The Measurement of Voting Power," Books, Edward Elgar Publishing, number 1489.
    5. Heard, Andrew & Swartz, Tim, 1998. "Empirical Banzhaf Indices," Public Choice, Springer, vol. 97(4), pages 701-707, December.
    6. Dan S. Felsenthal & Moshé Machover, 2004. "A Priori Voting Power: What Is It All About?," Political Studies Review, Political Studies Association, vol. 2(1), pages 1-23, January.
    7. Fiona Hayes‐Renshaw & Wim Van Aken & Helen Wallace, 2006. "When and Why the EU Council of Ministers Votes Explicitly," Journal of Common Market Studies, Wiley Blackwell, vol. 44(1), pages 161-194, March.
    8. Newcombe, Hanna & Ross, Michael & Newcombe, Alan G., 1970. "United Nations Voting Patterns," International Organization, Cambridge University Press, vol. 24(01), pages 100-121, December.
    9. Stefan Napel & Mika Widgren, 2004. "Power Measurement as Sensitivity Analysis," Journal of Theoretical Politics, , vol. 16(4), pages 517-538, October.
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    Citations

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    Cited by:

    1. Le Breton, Michel & Montero, Maria & Zaporozhets, Vera, 2012. "Voting power in the EU council of ministers and fair decision making in distributive politics," Mathematical Social Sciences, Elsevier, vol. 63(2), pages 159-173.
    2. Steven Brams & D. Kilgour, 2013. "Kingmakers and leaders in coalition formation," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 41(1), pages 1-18, June.
    3. László Á. Kóczy, 2016. "Power Indices When Players can Commit to Reject Coalitions," Homo Oeconomicus: Journal of Behavioral and Institutional Economics, Springer, vol. 33(1), pages 77-91, August.
    4. Serguei Kaniovski & Sreejith Das, 2015. "Measuring voting power in games with correlated votes using Bahadur’s parametrisation," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 44(2), pages 349-367, February.
    5. Matthew Gould & Matthew D. Rablen, 2024. "Are World Leaders Loss Averse?," Working Papers 2024011, The University of Sheffield, Department of Economics.
    6. Steven Brams & Gustavo Camilo & Alexandra Franz, 2014. "Coalition formation on the U.S. Supreme Court: 1969–2009," Public Choice, Springer, vol. 158(3), pages 525-539, March.
    7. Kóczy, László Á., 2012. "Beyond Lisbon: Demographic trends and voting power in the European Union Council of Ministers," Mathematical Social Sciences, Elsevier, vol. 63(2), pages 152-158.
    8. Claus Beisbart, 2010. "Groups can make a difference: voting power measures extended," Theory and Decision, Springer, vol. 69(3), pages 469-488, September.
    9. Alexander Zaigraev & Serguei Kaniovski, 2012. "Bounds on the competence of a homogeneous jury," Theory and Decision, Springer, vol. 72(1), pages 89-112, January.
    10. Matthew Gould & Matthew D. Rablen, 2019. "Are World Leaders Loss Averse?," CESifo Working Paper Series 7763, CESifo.
    11. Kaniovski, Serguei, 2009. "An invariance result for homogeneous juries with correlated votes," Mathematical Social Sciences, Elsevier, vol. 57(2), pages 213-222, March.
    12. Serguei Kaniovski & Alexander Zaigraev, 2011. "Optimal jury design for homogeneous juries with correlated votes," Theory and Decision, Springer, vol. 71(4), pages 439-459, October.

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    More about this item

    Keywords

    a priori voting power ; behavioural voting power ; U.S. Supreme Court;
    All these keywords.

    JEL classification:

    • D72 - Microeconomics - - Analysis of Collective Decision-Making - - - Political Processes: Rent-seeking, Lobbying, Elections, Legislatures, and Voting Behavior

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