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).

Market definition is the first step in the assessment of market power. 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)

In preparation for writing this paper, I re-read Robert Bork’s <i>The Antitrust Paradox</i>, and I thoroughly enjoyed doing so. Not because I agree with everything in it, though there is much with which to agree. And not only because I enjoy Judge Bork’s writing,...

Economic analysis of class certification has a different focus than economic analysis of most antitrust issues or, indeed, most legal issues.

Even though in such cases most economists would place more weight on methods of assessing the competitive impact of mergers that do not rely on market definition, courts generally view market definition as an essential component of the case.

Market definition is the first step in the assessment of market power. Richard Schmalensee (MIT)

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).