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Sufficient conditions for weak reciprocal upper semi-continuity in mixed extensions of games

机译:足够的互惠较弱的游戏混合扩展中的倒数上半连续性条件

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摘要

We provide sufficient conditions for a game with discontinuous payoffs to be weakly reciprocally upper semi-continuous in mixed strategies. These conditions are imposed on the individual payoffs and not on their sum, and they can be readily verified in a large class of games even when the sum of payoffs in such games is not upper semi-continuous. We apply our result to establish the existence of mixed strategy equilibria in probabilistic voting competitions where candidates have very general utility functions as well as heterogeneous beliefs about the distribution of the voters. (C) 2017 Elsevier B.V. All rights reserved.
机译:我们为游戏提供了足够的条件,以不连续的收益在混合策略中具有弱互惠的上部半连续。 这些条件对个人收益而不是他们的金额施加,即使在此类游戏中的收益总和不是上半连续的收益总和,也可以在大类游戏中核实。 我们应用我们的结果,以建立概率表决竞赛中的混合策略均衡存在,候选人具有非常普通的效用功能以及关于选民分配的异质信念。 (c)2017 Elsevier B.v.保留所有权利。

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