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Influence in Weighted Committee Games : A Power Index, Rule Comparisons, and the IMF Executive Board

Title data

Kurz, Sascha ; Mayer, Alexander ; Napel, Stefan:
Influence in Weighted Committee Games : A Power Index, Rule Comparisons, and the IMF Executive Board.
2019
Event: European Public Choice Society , 01.-04.04.2019 , Jerusalem.
(Conference item: Conference , Speech )

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Abstract in another language

Committee decisions on more than two alternatives much depend on the adopted voting rule. So does the distribution of power among committee members. We quantify how different aggregation methods such as pairwise majority votes, plurality with runoff, or Borda rule map asymmetric numbers of seats, shares, voting weights, etc. to influence on outcomes when preferences vary. A generalization of the Penrose-Banzhaf index is proposed and applied to the IMF Executive Board’s election of a Managing Director. It extends voting power analysis from binary votes to collective decisions on multiple options.

Further data

Item Type: Conference item (Speech)
Refereed: Yes
Additional notes: speaker: Alexander Mayer
Keywords: weighted voting; voting power; weighted committee games; plurality runoff; Borda rule; Copeland rule; Schulze rule; IMF Executive Board; IMF Director
Subject classification: Mathematics Subject Classification Code: 91B12
JEL: D71, C71, C63
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Mathematics > Chair Mathematics in Economy
Faculties > Faculty of Law, Business and Economics > Department of Economics > Chair Economics IV
Profile Fields > Emerging Fields > Governance and Responsibility
Result of work at the UBT: Yes
DDC Subjects: 000 Computer Science, information, general works > 004 Computer science
300 Social sciences > 320 Political science
300 Social sciences > 330 Economics
500 Science > 510 Mathematics
Date Deposited: 10 Apr 2019 13:11
Last Modified: 10 Apr 2019 13:11
URI: https://eref.uni-bayreuth.de/id/eprint/48616