We study the effect of a merger in a dynamic high-technology industry - the videogame market - which is characterized by frequent introduction of new products. To assess the impact of the merger between two large specialist retailers in the UK, we perform a difference-in-differences analysis...

This paper empirically evaluates the price effects of the merger of two major book retail chains in the UK: Waterstone's and Ottakar's. We employ differences-in-differences techniques and use a rich dataset containing monthly scanner data information on a sample of 200 books sold in 60 stores in...

The 2010 Department of Justice and Federal Trade Commission Horizontal Merger Guidelines lay out a new standard for assessing proposed mergers in markets with differentiated products. This new standard is based on a measure of ``upward pricing pressure,'' (UPP) and the calculation of a ``gross...

The relationship between law and economics in European competition law has always been important, but it has received increasing attention during recent years. Much of this attention has focused on doctrinal aspects of the relationship and on the European Commission's use of economic analysis in...

Consistent with its goals of encouraging innovation and enhancing consumer welfare, antitrust law generally does not compel a firm to give access to the very assets that are the source of a firm's competitive advantage, including a firm's intellectual property, unless a firm has illegitimately...

Throngs of individuals, companies, and government regulatory agencies around the world adamantly contend that sizeable consolidations of intellectual property within the media and technology fields – including the recorded music industry – violate principal notions of antitrust law and fair...

Natural experiments may serve as a test of an economic theory that purports to evaluate the competitive effects of a proposed transaction and therefore play an important role in merger analysis. Using aggregate reviews of Federal Trade Commission merger studies, it is possible to identify a...