The world’s biggest consumer markets—the European Union and the United States—have adopted different approaches to regulating competition. This has not only put the EU and US at odds in high-profile investigations of anticompetitive conduct, but also made them race to spread their...

Competition law has proliferated around the world. Due to data limitations, however, there is little systematic information about the substance and enforcement of these laws. In this paper, we address that problem by introducing two new datasets on competition law regimes around the world....

Competition laws have become a mainstay of regulation in market economies today. At the same time, past efforts to study the drivers or effects of these laws have been hampered by the lack of systematic measures of these laws across a wide range of years or countries. In this paper, we draw on...

In the last several years, economists have learned about an antitrust problem of vast scope. Far from approximating the conditions of perfect competition as long assumed, most labor markets are characterized by monopsony — meaning that employers pay workers less than their productivity because...