Whether transmission contracts increase or mitigate market power depends crucially on the allocation of transmission rights. In an efficiently arbitraged uniform-price auction, generators will only obtain contracts that mitigate their market power. Contracts inherited or bought in a "pay-as-bid"...

In this article, we model regulation as a repeated game between a utility facing a random sequence of demands and a regulator tempted to underreward past investment. Rate-of-return regulation designed with a constitutional commitment to an adequate rate of return on capital prudently invested is...

The supply function model of the English electricity spot market is extended to include a contract market and contestable entry, both of which have dramatic effects on the determination of equilibrium. I present an analytically tractable model that can be solved with contracts, variable numbers...