In the data, a sizable fraction of price changes are temporary price reductions referred to as sales. Existing models include no role for sales. Hence, when confronted with data in which a large fraction of price changes are sales related, the models must either exclude sales from the data or...

"This paper summarizes recent developments in the theory and practice of monetary policy in a closed economy and explains what these developments mean for U.S. dollar policy. There is no conflict between what is appropriate U.S. monetary policy at home or abroad because the dollar is the world's...