For smart phones, most apps and websites use a simplification version of the personal computer version. To the best of our knowledge, we are the first to consider the functionality of apps. We show when the equilibrium functionality is efficient, excessive or insufficient. For the case of...

This chapter first describes the standard economic analysis of privacy, data protection and surveillance, looking at the costs and benefits to different parties and the incentives each therefore has, as well as the aggregate social welfare impacts of their decisions. It then considers the market...

Is common ownership in fintech companies an empirically significant phenomenon? What are its impact on competition and innovation in fintech markets and its implications for competition law enforcement? This chapter studies these questions providing evidence and insights on the extent of common...

"In the last two decades, the world has seen the proliferation of effective leniency programs, ever-increasing sanctions for cartel offenses, and a growing global movement to hold individuals criminally accountable," a top antitrust official recently observed. Statistics from several of the...

We develop and test the effectiveness of a theoretical governance model for general purpose payment systems (GPPS), systems that are used by individuals, businesses and merchants, and state, local and federal government entities to make and receive payments. We test for effective governance...

Advanced market economies are characterized by a continuous process of creative destruction. Market forces and technological developments play a major role in shaping this process, but institutional and policy settings also influence firms' decision to enter, to expand if successful and to exit...

Innovation has wreaked creative destruction on traditional content platforms. During the decade following Napster's rise and fall, industry organizations launched litigation campaigns to combat the dramatic downward pricing pressure created by the advent of zero-price, copyright-infringing...

This paper addresses two puzzles related to industrial dynamics and competition. The first of these puzzles is that a high degree of globalization may well go hand in hand with increasing concentration. I show that one of the most globalized sectors of the electronics industry, hard disk drives...

This paper examines the forms, goals, and results of price discrimination. It reviews various economic analyses and critiques of the three Pigovian types of price discrimination. It observes that economists' traditional concern with aggregate welfare has not, until recently, been accompanied by...

This paper studies the impact of market power on international commodity prices. I use a standard oligopoly model and exploit historical variations in the structure of the international coffee bean market to assess the impact of a cartel treaty on coffee prices and its global welfare...