Since the early 1990s numerous countries have adopted or strengthened competition legislation. Kee and Hoekman investigate the impact of competition law on industry markups over time and across a large number of countries. They find both domestic and foreign competition to be major sources of...

Since the early 1990s, numerous countries have adopted or strengthened competition legislation. In this paper we investigate the impact of competition law on markups of industries over time across a large number of countries. We find measures of external and internal competition (imports and the...