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Power and Social Choice in Weighted Commitees

Title data

Kurz, Sascha ; Mayer, Alexander ; Napel, Stefan:
Power and Social Choice in Weighted Commitees.
Event: Adam Smith Seminar - Center of Conflict Resolution , 19.04.2021 , München.
(Conference item: Lecture series , 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: No
Additional notes: speaker: Stefan Napel
Keywords: weighted voting; voting power; weighted committee games; plurality runoff; Borda rule; Copeland rule; IMF Executive Board; IMF Director; manipulation
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 Mathematical Economics
Faculties > Faculty of Law, Business and Economics > Department of Economics > Chair Economics IV - Microeconomics
Faculties > Faculty of Law, Business and Economics > Department of Economics > Chair Economics IV - Microeconomics > Chair Economics IV - Microeconomics - Univ.-Prof. Dr. Stefan Napel
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: 20 Apr 2021 11:01
Last Modified: 20 Apr 2021 11:01
URI: https://eref.uni-bayreuth.de/id/eprint/64831