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Proportional power is free from paradoxes


  • László Á. Kóczy

    (Budapest Tech)


We modify the story behind the Shapley-Shubik power index and apply it to a legislative body. The resulting proportional index may be trivial, but is free from the paradoxical behaviour observable with standard power indices. The widespread use of this index may in fact be the reason for these \paradoxes".

Suggested Citation

  • László Á. Kóczy, 2008. "Proportional power is free from paradoxes," Working Paper Series 0806, Óbuda University, Keleti Faculty of Business and Management, revised May 2008.
  • Handle: RePEc:pkk:wpaper:0806

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    a priori voting power; paradox of large size; paradox of new members; paradox of quarrelling members; Gamson's Law.;
    All these keywords.

    JEL classification:

    • C71 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Cooperative Games
    • D72 - Microeconomics - - Analysis of Collective Decision-Making - - - Political Processes: Rent-seeking, Lobbying, Elections, Legislatures, and Voting Behavior

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