The rapid pace of economic globalization and the dramatic turn toward economic competition as the central factor in public policy thinking would seem to augur well for comparative competition law scholarship. Together, they have brought a wave of new antitrust statutes and increased the...

I review the empirical comparative law literature with an emphasis on quantitative work. After situating the field and surveying its main applications to date, I turn to methodological issues. I discuss at length the obstacles to causal inference from comparative data, and caution against...