R&D Investment, Exporting, and Productivity Dynamics
---- Acknowledgements ----
We thank Jan De Loecker, Ulrich Doraszelski, Marc Melitz, Ariel Pakes, Nina Pavnick, and Jim Tybout for helpful discussions and comments. We are grateful to Yi Lee for helping us to acquire and understand the data. All remaining errors are ours. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.