We begin by thanking our discussants, Jiwoong Shin and K. Sudhir (2009) and Luís Cabral (2009), for their thoughtful comments on our research (Dubé, Hitsch, and Rossi 2009). Both commentaries focus on the stylized (“simple”) model in our article, which we used to motivate our more general empirical model. Shin and Sudhir solve a two-period Hotelling model. They find a U-shaped relationship betw...