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  • 标题:CONGLOMERATES AND REGULATION
  • 本地全文:下载
  • 作者:Giacomo Calzolari ; Giacomo Calzolari ; Carlo Scarpa
  • 期刊名称:Economic Inquiry
  • 印刷版ISSN:0095-2583
  • 出版年度:2016
  • 卷号:54
  • 期号:3
  • 页码:1648-1669
  • DOI:10.1111/ecin.12338
  • 语种:English
  • 出版社:Western Economic Association International
  • 摘要:Conglomerates operating integrated productions in different regulated and unregulated sectors may benefit of scope economies. However, the precise size of these synergies is often unknown to both rival firms and regulators. We show that the conglomerate's private information on scope economies may negatively affect both the regulated and the unregulated sectors depending on the precise nature of competition (strategic substitutes or complements). We also unveil a novel effect of regulation that involves an informational externality to the conglomerate's rivals. Notwithstanding these complications, and independently of the nature of competition, we show that in our model it is desirable, as for welfare, to let the firm run integrated productions, unless diseconomies of scope may realize. (JEL L51, L43, L52)
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