Head, Allen; Liu, Lucy Qian; Menzio, Guido; Wright, Randall - Department of Economics, University of Pennsylvania - 2010
Why do some sellers set prices in nominal terms that do not respond to changes in the aggregate price level? In many models, prices are sticky by assumption. Here it is a result. We use search theory, with two consequences: prices are set in dollars since money is the medium of exchange; and...