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Interactions with hidden complementarities

机译:具有隐藏互补性的相互作用

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We consider a finite population simultaneous move game with heterogeneous interaction modes across different pairs of players. We allow for general interaction patterns, but restrict our analysis to games whose pure strategy Nash equilibrium conditions boil down to a set of piece-wise linear conditions, so that an equilibrium is a solution to a linear complementarity problem. We introduce a new class of games for which a suitable linear transformation of the original interaction matrix induces a game with complementarities. We provide general moderation conditions on the interaction matrix such that a game in this class has a unique Nash equilibrium, that we are able to characterize by means of a closed-form expression involving a generalized version of the Katz network measure of node centrality.
机译:我们考虑在不同对玩家之间具有异构交互模式的有限人口同时移动游戏。我们考虑了一般的相互作用模式,但将我们的分析限于纯策略纳什均衡条件归结为一系列分段线性条件的博弈,因此,均衡是线性互补问题的一种解决方案。我们介绍了一种新的游戏类型,在该类游戏中,原始交互矩阵的适当线性变换会引发具有互补性的游戏。我们在交互矩阵上提供一般的调节条件,以使此类游戏具有唯一的纳什均衡,我们可以通过涉及节点中心性的Katz网络度量的广义版本的闭式表达式来表征。

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