Evolutionary equilibrium in contests with stochastic participation: Entry, effort and overdissipation
Evolutionary equilibrium in contests with stochastic participation: Entry, effort and overdissipation
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随机参与竞争中的进化均衡:进入、努力和过度浪费
DOI:
10.1016/j.jebo.2019.06.011
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发表时间:
2019
影响因子:
2.2
通讯作者:
Gu Y
中科院分区:
文献类型:
--
作者:
Gu Y
This paper examines the evolutionary stability of behaviour in contests where players’ participation can be stochastic. We find, for exogenously given participation probabilities, players exert more effort under the concept of a finite-population evolutionarily stable strategy (FPESS) than under Nash equilibrium (NE). We show that there is ex-ante overdissipation under FPESS for sufficiently large participation probabilities, if, and only if, the impact function is convex. With costly endogenous entry, players enter the contest with a higher probability and exert more effort under FPESS than under NE. Importantly, under endogenous entry, overdissipation can occur for all (Tullock) contest success functions, in particular those with concave impact functions.
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