We study the effects of merger on firm entry, product variety and prices in the retail craft beer market in California. We develop a new method to estimate multiple-discrete choice models in order to recover fixed costs. The method is based on bounds of conditional choice probabilities and does...

We consider a structural model of demand and supply where firms endogenously offer vertically differentiated products and exercise second-degree price discrimination. We apply this model to the smartphone industry and quantify the welfare effects of price discrimination and competition. We use...

This paper studies (1) whether, from a welfare point of view, oligopolistic competition leads to too few or too many products in a market, and (2) how a change in competition affects the number and the composition of product offerings. We address these two questions in the context of the U.S....

This paper presents a new method for estimating discrete games based on bounds of conditional choice probabilities. The method does not require solving the game and is scalable to models with many firms and many discrete decisions. We apply the method to study merger effects on firm entry and...