More than ninety jurisdictions have some form of merger control regime under their antitrust or competition laws … under their general competition laws, sector-specific laws, or regional trade agreements. Observing the substantive …

Competition law has proliferated around the world. Due to data limitations, however, there is little systematic … datasets on competition law regimes around the world. First, we introduce the Comparative Competition Law Dataset, which codes … competition laws in 130 jurisdictions between 1889 to 2010. Second, we introduce the Comparative Competition Enforcement Dataset …

Competition laws have become a mainstay of regulation in market economies today. At the same time, past efforts to … range of years or countries. In this paper, we draw on new data on the evolution of competition laws to create a novel … Competition Law Index (the “CLI”) that measures the stringency of competition regulation from 1889 to 2010. We then employ the CLI …