We derive the formula for the unilateral price effects of mergers of two products with linear demand in the general asymmetric situation. The formula uses the same information required to calculate upward pricing pressure in the 2010 Horizontal Merger Guidelines.

We present a model of ordered bargaining between one buyer and several sellers, with Nash bargaining at each stage. We first show that the model has the property that the buyer's payoff equals the expected utility of a weighted sum of independent Bernoulli random variables. We then exploit this...

This paper evaluates the welfare implications of front-running by mutual fund managers. It extends the model of Kyle (1985) to a situation in which the insider with fundamentals-information competes against an insider with trade-information and in which noise trading in endogenized.