The Conjectural Variations (CV) methodology uses the responsiveness of price to cost determinants under differing demand conditions to infer market power and cost. It thus substitutes demand information for complete cost information. In this paper we use the American sugar refining industry at...

We propose a method for bounding the demand elasticity in growing, homogeneous-product markets that requires only minimal data--market price and quantity over a time span as short as two periods. Reminiscent of revealed-preference arguments using choices over time to bound the shape of...

We apply and extend the Eckbo-Stillman event-study methodology to investigate the competitive effects of the U.S. Steel consolidation. In contrast to previous event studies, we examine the stock market reactions of downstream firms, thereby enabling us to estimate the net effect of a merger or...