NP-completeness for calculating power indices of weighted majority games

  • Authors:
  • Yasuko Matsui;Tomomi Matsui

  • Affiliations:
  • Tokai University, Kanagawa, Japan;Univ. of Toyko, Toyko, Japan

  • Venue:
  • Theoretical Computer Science
  • Year:
  • 2001

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Abstract

In this paper, we prove that both problems for calculating the Banzhaf power index and the Shapley-Shubik power index for weighted majority games are NP-complete.