Social media content moderation has stirred controversies for a number of years, resulting in calls for regulation. Proposals include reforming Section 230, regulating social media as public utilities or as common carriers, and imposing transparency standards. A proper regulatory framework...

This paper suggests that antitrust authorities should focus on harmful competitive advantages. These are largely Porterian and Smithian advantages created by firms seeking to disadvantage rivals, governments inadvertently hindering competition, and governments protecting favored stakeholders and...

Given the political and public interest in rising industry concentration in developed economies, researchers have been working on uncovering underlying mechanisms and implications. Various causes of concentration have been proposed, although rarely tested in a comprehensive model. We study five...

Government regulators often establish maximum prices for regulated services. This paper explains the proper economic principles for establishing such constraints. The principles imply a range - an upper limit and a lower limit - that constrain the regulator's discretion. Principles emerging from...

Given the political and public interest in rising industry concentration in developed economies, researchers have been working on uncovering underlying mechanisms and implications. Various causes of concentration have been proposed, although rarely tested in a comprehensive model. We study five...

Government regulators often establish maximum prices for regulated services. This paper explains the proper economic principles for establishing such constraints. The principles imply a range - an upper limit and a lower limit - that constrain the regulator's discretion. Principles emerging from...

We examine broadband's impacts on entrepreneurship, income, and employment in general and separately by gender and for whites versus minorities in the U.S. for 2000 - 2019. Using Current Population Surveys and matching, we find that broadband access significantly impacted the decision to be...

We study the competition effects of platforms entering their own marketplaces in the context of mobile applications. Using a rich panel dataset of monthly observed applications on the most prominent mobile ecosystems, Apple and Android, we seek to understand how the launch of a new application...

We study the competition effects of platforms entering their own marketplaces in the context of mobile applications. Using a rich panel dataset of monthly observed applications on the most prominent mobile ecosystems, Apple and Android, we seek to understand how the launch of a new application...