This paper assesses film makers' choices on product quality and variety in filmproduction, which production budget and genre are used to represent quality andvariety, respectively. My research is unique in that it exploits the peculiar lack ofprice variation in the film industry, as ticket...

Product differentiation is well established as being the key source of the cereal industry's high price-cost margins. However, there is little consensus as to whether pricing collusion is also a source of profitability, and indeed, whether price even serves as a strategic variable in this...

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...

This paper surveys the literature on group selection. I describe the early contributions and the group selection controversy. I also describe the main approaches to group selection in the recent literature; fixation, assortative group formation, and reproductive externalities. -- Altruism ; spite...