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Modified Shapley – Shubik power index for parliamentary coalitions


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  • Mariusz Mazurkiewicz

    (Institute of Production Engineering and Management, Poland)

  • Jacek Mercik

    (Institute of Production Engineering and Management, Poland)


Classical power analysis does not involve preferences of players (parties). Classical power indices are constructed under assumption of equal probability of occurrence for each coalition. The paper contains a proposition of relaxation of this assumption, based on extended Shapley–Shubik power index approach.

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Bibliographic Info

Article provided by Wroclaw University of Technology, Institute of Organization and Management in its journal Operations Research and Decisions.

Volume (Year): 2 (2005)
Issue (Month): ()
Pages: 43-52

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Handle: RePEc:wut:journl:v:2:y:2005:p:43-52

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Related research

Keywords: power index; ideological preferences; ideological distance;


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Cited by:
  1. Jacek W. Mercik, 2007. "Econometric estimation of hidden factors in group decision making – their impacton power index estimation," Operations Research and Decisions, Wroclaw University of Technology, Institute of Organization and Management, vol. 3, pages 121-131.


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