W e present a method for decomposing wholesale electricity payments into production costs, inframarginal competitive rents, and payments resulting from the exercise of market power. Using data from June 1998 to October 2000 in California, we find significant departures from competitive pricing...

 We analyze the effects of trade liberalization on environmental policies in a strategic setting when there is transboundary pollution. Trade liberalization can result in a race to the bottom in environmental taxes, which makes both countries worse off. This is not due to the terms of trade...

Beef is a heterogenous commodity, which makes it difficult to compare beef prices on an international level. This article evaluates several methods of comparing beef prices for use in measuring both comparative advantage and the rate of protection. The most suitable method is one that compares...