On The Meaning Of Owen–Banzhaf Coalitional Value In Voting Situations |
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Authors: | A Laruelle F Valenciano |
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Institution: | (1) Departamento de Fundamentos del Análisis Económico, Universidad de Alicante, Spain;(2) Departamento de Econom:ía Aplicada IV, Universidad del País Vasco, Spain |
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Abstract: | In this paper we discuss the meaning of Owen's coalitional extension of the Banzhaf index in the context of voting situations. It is discussed the possibility of accommodating this index within the following model: in order to evaluate the likelihood of a voter to be crucial in making a decision by means of a voting rule a second input (apart from the rule itself) is necessary: an estimate of the probability of different vote configurations. It is shown how Owen's coalitional extension can be seen as three different normative variations of this model. |
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Keywords: | Owen's coalitional values Power indices Banzhaf index |
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