This paper develops an open economy growth model in which firm heterogeneity increases the gains from trade. Technology spillovers from incumbent firms to entrants cause the productivity threshold for firm survival to grow over time as competition becomes tougher. By raising the profits of...

Using transaction data for the U.S., this paper presents a series of stylized facts on exporters in services industries. We find that most of the basic facts on manufacturing exporters extend to the services sectors with three important differences. First, the participation rate of services...