The emerging literature on firm heterogeneity suggests that trade liberalization raises industry average productivity by forcing its least productive firms to exit. Consequently, resources and market shares are reallocated toward the industry¡¯s more productive firms. We extend...

To analyze U.S. consumers' brand choices for cheese purchases, we derive a set of discrete-choice models from dynamic utility maximization. ACNielsen Homescan Survey data on U.S. households is used to estimate a dynamic probit model for each of the top brands for cheddar, shredded, and sliced...