Effects of Physician-Directed Pharmaceutical Promotion on Prescription Behaviors: Longitudinal Evidence
---- Acknowledgements ----
The authors are very grateful to Michael Fitzmaurice, Robert Kaestner, LeighAnn Leung, Yang Wang, and Samuel Zuvekas for helpful comments. We are especially grateful to Sumit Agarwal for the data and his helpful advice. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.