Choudhary, Ali; Kim, Young-Bae - In: Economics Bulletin 4 (2007) 5, pp. 1-7
We extend the Ravn, Schmitt-Grohe and Uribe (Review of Economic Studies, 2006) model of external deep-habits with the idea that some product varieties are more prone to habit formation than others. This s uncertainty in habit formation which affects firm's pricing. Provided that uncertainty is...