This paper analyzes the market and welfare effects of the United States Livestock Mandatory Reporting Act enacted in 2001. The act mandates meat packers to report their transactions daily to a government agency and requires the agency to make a summary of those transactions available to the...

Econometric methods for assessing the degree of market power typically rely on a maintained hypothesis of price-taking behavior on one side of the market or the other. In the analysis of bilateral oligopoly, however, one would like to leave open the question of whether buyers or sellers (or...