pressure indices, the GUPPI concept of Salop/Moresi (2009) and the vGUPPI concept of Moresi/Salop (2013). Such a simple … screen mergers between mobile network operators which compete with mobile virtual network operators in the downstream retail … imposed so that the iGUPPI for the upstream market allows for a decomposition into an upstream market version of the GUPPI and …

This paper provides an economic analysis of recent vertical and horizontal mergers in the U.S. industry for audiovisual … media content, including the AT&T-Time Warner and the Disney-Fox mergers. Using a theory-driven approach, we examine … economic effects of these types of mergers on market competition, focusing on digital media content distribution. In doing so …

policy. We address four core subject areas: market power, collusion, mergers between competitors, and monopolization. In each …

better matches of search ads are beneficial, I demonstrate that the mergers may have positive effects for consumers through …

We study welfare effects of horizontal mergers under a successive oligopoly model and find that downstream mergers can … conditions for a reduction in input prices and welfare-improving horizontal mergers under a general demand function. Qualitative … nature of our findings remains unchanged for upstream mergers. …

We study upstream horizontal mergers and their potential efficiency gains. We show that an upstream horizontal merger … and decreases wholesale prices when downstream competition is not too strong. Examining whether the merger’s potential …