Do we know enough to be sure that there are market failures that should be corrected or that policymakers could know enough about the present and future of the internet economy to devise regulations that would improve social welfare? (David S. Evans, Global Economics Group & UCL)

Our analysis has important implications for banking regulators and competition authorities around the world that are looking into interchange fees for debit and credit cards. David S. Evans (Univ. of Chicago, UCL), Robert E. Litan (Kaufmann Foundation), & Richard Schmalensee (MIT).

The outcome will provide a test of the power of efficiency arguments in merger cases. Howard Chang, David S. Evans, & Richard Schmalensee (Global Economics Group)

Antitrust analysis ought to account for special features of ITâ€â€just like it ought to account for special features of any industry under consideration. But there’s no particular reason to focus additional antitrust resources on this sector.

This GCP collection features the research and insights of several economists and practitioners on the economics of tying law.

This article explores what sorts of economic and statistical evidence help establish that a claim is plausible and what do not.

According to Evans testimony, Justice Stevens was quite careful in saying nothing whatsoever in his decision in <i>Independent Ink</i> that repudiates his decision in <i>Jefferson Parish</i>.

This note summarizes the consensus that is emerging and describes the sorts of analyses that will prove critical in seeking or opposing the certification of a particular class.

Courts and regulators should recognize the very important contribution that informative comparative advertising makes to competition. David S. Evans (Univ. of Chicago) & Elisa Mariscal (CIDE & ITAM)

There is no reliable substitute in practice for analyzing competitive constraints in antitrust and merger cases. David Evans (Global Economics Group)