When Does Predation Dominate Collusion

When Does Predation Dominate Collusion
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掠夺何时主导共谋

DOI:
10.3982/ecta13121
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发表时间:
2017
期刊:
影响因子:
6.1
通讯作者:
Thomas Wiseman
Thomas Wiseman
中科院分区:
经济学1区
文献类型:
--
作者:
Thomas Wiseman

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我研究寡头之间的重复竞争。唯一的新奇之处在于,企业可能会破产并永久退出:企业在价格战中生存的概率取决于其财务实力,而财务实力随时间随机变化。在包括没有进入的某些条件下,反民间定理成立:当公司有耐心时,实力水平变化相对较快,每个纳什均衡都涉及一场直接的价格战,直到最多有一家公司留下来。令人惊讶的是,进入的可能性可能会促进勾结,因为可能不耐烦。该模型可以解释一些观察到的共谋和捕食模式。
I study repeated competition among oligopolists. The only novelty is that firms may go bankrupt and permanently exit: the probability that a firm survives a price war depends on its financial strength, which varies stochastically over time. Under some conditions including no entry, an anti‐folk theorem holds: when firms are patient, so that strength levels change relatively quickly, every Nash equilibrium involves an immediate price war that lasts until at most one firm remains. Surprisingly, the possibility of entry may facilitate collusion, as may impatience. The model can explain some observed patterns of collusion and predation.
DOI: --
发表时间: 1986-06
期刊: The American Economic Review
影响因子: --
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通讯作者: J. Rotemberg;Garth Saloner
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发表时间: 2015
期刊:
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