Mergers and acquisitions shape industry competition. Effective merger remedies are important for market efficiency and …-phase, bifurcated merger control system. This system integrates ex-ante processes with more systematic and comprehensive ex … merger control in dynamic markets. …

stochastically alternating-move game of dynamic oligopoly, and estimate it using data from the hard disk drive industry, in which a …

quality-improving investments. In many commonly-studied oligopoly games, such investments are strategic substitutes. We derive … commonly-studied oligopoly models. We also highlight plausible countervailing effects from two distinct sources. First, leading …, when firms are sufficiently patient. Key words: oligopoly games, strategic substitutes, innovation, investment, increasing …

patent-intensive, and legal and economic theory has long explored the role of patents in shaping industry structure …—the number, size, and character of firms in an industry. However, such theory only explains one facet of industry structure. This … efficiencies of size, and significant merger and acquisition activity. It also argues that several common “fragmentation drivers …

There is broad concern that merger policy toward Big Tech has been too lenient. Big Tech typically operates in markets … merger policy promotes innovative entry by facilitating entry for buyout. I show that permissive merger policy can also … such improvements reduce the gains from merger. A second way is by facilitating incumbency for buyout, under which an …

inputs and outputs. Results are mixed for outcomes related to variety and product quality. Literature on merger effects on … derive a number of ideas and options for merger policy. …