While often times the Hypothetical Monopolist Test (HMT) utilized in relevant market delineation is implemented with uniform price increases throughout all the goods in the candidate relevant market, since 1984 the versions of the U.S. Merger Guidelines have emphasized that these small but...

This paper analyses the effects of the 1990 Brazilian trade liberalization on the total factor productivity, market share and profits of a sample of 349 large manufacturing firms. A panel data production function analysis for the period 1986/94 indicates very large total factor productivity...

This work is a pioneer effort to estimate supply and demand of automobiles in Brazil with a Discrete Choice model in a differentiated product oligopolistic market. We apply a Nested Logit model to the demand side and assume differentiated product price-setting firms on the supply side to...

We present a new method for imposing and testing concavity of a cost function using asymptotic least squares, which can easily be implemented even for cost functions which are nonlinear in parameters. We provide an illustration on the basis of a (generalized) Box-Cox cost function with six...