This chapter discusses inter-industry studies of the relations among various measures of market structure, conduct, and performance. It discusses that tradition has indeed uncovered many stable, robust, and empirical regularities. Inter-industry research has taught much about the way markets...

This Chapter provides a survey of the economics literature on multi-sided platforms with particular focus on competition policy issues, including market definition, mergers, monopolization, and coordinated behavior. It provides a survey of the general industrial organization theory of...

Competition in many important industries centers on investment in intellectual property. Firms engage in dynamic, Schumpeterian competition for the market, through sequential winner-take-all races to produce drastic innovations, rather than through static price/output competition in the market....