This essay is a status report on the development of a new approach to analysis of mergers. This approach replaces market-share- based presemptions with simulations of the effects of mergers within the context of tractable oligopoly models calibrated to the particular characteristics of the...

In this paper we offer the Gibbs sampler as an alternative estimator to the the GMM procedure used by berry, Levinsohn, and Pakes (1995) (henceforth BLP) in their equilibrium differentiated product market analysis of the automobile industry.

Exploring a variant of the model of Aghion and Bolton Yields the following results. When an incumbent seller is constrained to price linearly, an exclusionary vertical contract Pareto-dominates spot sales by smoothing prices across states of the world ( potential entrant does or does not appear).