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The Power of a Spatially Inferior Player


  • Mika WidgrÚn

    (Turku School of Economics and Business Administration, CEPR and CESifo, Turku, Finnland)

  • Stefan Napel

    (Institut f³r Wirtschaftstheorie und Operations Research (WIOR), Universitõt Karlsruhe (TH), Karlsruhe, Germany)


Traditional power indices are not suited to take account of explicit preferences, strategic interaction, and particular decision procedures. This paper studies a new way to measure decision power, based on fully specified spatial preferences and strategic interaction in an explicit voting game with agenda setting. We extend the notion of inferior players to this context, and introduce a power index which - like the traditional ones - defines powers as the ability to have pivotal influence on outcomes, not as the (often just lucky) occurrence of outcomes close to a player's ideal policy. Though, at the present state, formal analysis is based on restrictive assumptions, our general approach opens an avenue for a new type of power measurement

Suggested Citation

  • Mika WidgrÚn & Stefan Napel, 2002. "The Power of a Spatially Inferior Player," Homo Oeconomicus, Institute of SocioEconomics, vol. 19, pages 327-343.
  • Handle: RePEc:hom:homoec:v:19:y:2002:p:327-343

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    References listed on IDEAS

    1. Mika Widgrén & Stefan Napel, 2001. "Inferior players in simple games," International Journal of Game Theory, Springer;Game Theory Society, vol. 30(2), pages 209-220.
    2. repec:cup:apsrev:v:48:y:1954:i:03:p:787-792_00 is not listed on IDEAS
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    Cited by:

    1. Napel,S. & Widgren,M., 2002. "Power measurement as sensitivity analysis : a unified approach," Center for Mathematical Economics Working Papers 345, Center for Mathematical Economics, Bielefeld University.
    2. repec:spr:grdene:v:19:y:2010:i:6:d:10.1007_s10726-009-9157-y is not listed on IDEAS
    3. Agnieszka Rusinowska, 2010. "The Hoede-Bakker index modified to the Shapley-Shubik and Holler-Packel indices," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) halshs-00406430, HAL.

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