文章基本信息

标题：Spying in Multi-market Oligopolies
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作者：Pascal Billand ; Christophe Bravard ; Subhadip Chakrabarti 等
期刊名称：FEEM Working Papers / Fondazione Eni Enrico Mattei = Nota di Lavoro
出版年度：2010
卷号：2010
出版社：Milano
摘要：We consider a multimarket framework where a set of firms compete on two interrelated oligopolistic markets. Prior to competing in these markets, firms can spy on others in order to increase the quality of their product. We characterize the equilibrium espionage networks and networks that maximize social welfare under the most interesting scenario of diseconomies of scope. We find that in some situations firms may refrain from spying even if it is costless. Moreover, even though spying leads to increased product quality, there exist situations where it is detrimental to both consumer welfare and social welfare.
关键词：Oligopoly; Multimarket; Networks