Antitrust & Competition Policy Blog

Editor: D. Daniel Sokol
University of Florida
Levin College of Law

Thursday, April 17, 2014

Does one more or one less mobile opertor affect prices? A comprehensive ex-post evaluation of entries and mergers in European mobile telecommunication markets

Gergely Csorba, Centre for Economic and Regional Studies of the Hungarian Academy of Sciences and Zoltan Papai, Infrapont Economic Consulting ask Does one more or one less mobile opertor affect prices? A comprehensive ex-post evaluation of entries and mergers in European mobile telecommunication markets.

ABSTRACT: This paper estimates the impact of entries and mergers on the price of mobile voice services in a panel database of 27 European Member States between 2003 and 2010. Our difference-in-differences econometric methodology exploits the variance in different structural changes between countries to separate the respective effects. Our results show that the effect of entry crucially depends on the number of active operators and the type of entrant, and not controlling for these differences might lead to misleading conclusions. We find no robust evidence that entry has a price-decreasing effect on markets with originally 2 operators. However, the entry of a 4th operator does have a price-decreasing effect, but with different dynamics concerning the entrant's type. When we separate entry effects for the subsequent years, we show that the significant price-decreasing effects for local operators entering occur only in the first year after entry, while the price-decreasing effects for multinational entries are significantly larger on the long-run. Last, we find no price-increasing effects of 5-to-4 mergers, but a long run price-increasing effect of a 4-to-3 merger.

https://lawprofessors.typepad.com/antitrustprof_blog/2014/04/does-one-more-or-one-less-mobile-opertor-affect-prices-a-comprehensive-ex-post-evaluation-of-entries.html

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