-sectional observations on firm productivity and sales. We calibrate the model's parameters to match bilateral trade flows across 71 countries … as well as the productivity and sales advantages of US exporters over non-exporters. We find that the calibrated model …

To provide a more exible workhorse model of temporary price reductions or "sales", this paper presents a substantially … generalized "clearinghouse" sales framework. Our framework permits multiple dimensions of firm heterogeneity, and views firms as … into the number and type of firms that use sales, and iv) extends a "cleaning" procedure that is commonly used in empirical …