In the last few years, many of the world's largest financial exchanges have converted from mutual, not-for-profit organizations to publicly-traded, for-profit firms. In most cases, these exchanges have substantial responsibilities with respect to enforcing various regulations that protect...

This paper develops a model of competition among multiproduct retailers that is consistent with observed pricing regularities, such as the facts that virtually all products have large mass points in their price distributions and that most deviations fall below these mass points. The basis of the...

Well-established economic principles show that regulated monopolies may have an incentive to act discriminatorily against rivals of their unregulated affiliates. This paper discusses some recent empirical evidence regarding discrimination in telecommunications. Specifically, it surveys anecdotal...

Purpose: Many recently enacted financial regulations exempt smaller entities. While the literature on systemic risk provides efficiency justifications for certain exemptions, the efficiency rationale depends on measuring size appropriately. This paper aims to argue that notional amount, the...