A new axiomatization of the Banzhaf semivalue |
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| Authors: | M Josune Albizuri Luis M Ruiz |
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| Institution: | (1) Departamento de Economía Aplicada I, Facultad de Ciencias Económicas, Universidad del Pais Vasco, Avenida Lehendakari Agirre, 83, 48015 Bilbao, Spain (e-mails: elpalirm@bs.ehu.es; elpruagl@bs.ehu.es) , ES |
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| Abstract: | A new characterization of the Banzhaf semivalue on the domain of monotonic simple games is given. We use the well-known valuation
and dummy axioms plus two additional properties. The first one simply requires that the power-index be bigger for those players
belonging to more winning coalitions. The second one is the proportionality axiom introduced by Owen in (1982) which is suitable
for those simple games that represent an indirect voting process. |
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| Keywords: | JEL classification:C71 |
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