The representation of a cooperative transferable utility game as a linear combination of unanimity games may be viewed as an isomorphism between not-necessarily additive set functions on the players space and additive ones on the coalitions space. We extend the unanimity-basis representation to general (infinite) spaces of players, study spaces of games of games which satisfy certain properties and provide some conditions for sigma-additivity of the resulting additive set function (on the space of coalitions). These results also allow us to extend some representations of the Choquet integral from finite to infinite spaces.
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Paper provided by Northwestern University, Center for Mathematical Studies in Economics and Management Science in its series Discussion Papers with number
986.
Length: Date of creation: Apr 1992 Date of revision: Handle: RePEc:nwu:cmsems:986
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Itzhak Gilboa & David Schmeidler, 1991.
"Updating Ambiguous Beliefs,"
Discussion Papers
924, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
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