NBER WORKING PAPER SERIES WHEN TECHNOLOGICAL ADVANCE MEETS PHYSICIAN LEARNING IN DRUG PRESCRIBING Domenico Depalo Jay Bhattacharya Vincenzo Atella Federico Belotti Working Paper 26202 http://www.nber.org/papers/w26202 NATIONAL BUREAU OF ECONOMIC RESEARCH 1050 Massachusetts Avenue Cambridge, MA 02138 August 2019 We thank Jeremy D. Goldhaber-Fiebert, Salvador Navarro and seminar participants at IAAE in Montreal, Health Econometrics Workshop in Naples, Annual Health Econometrics Workshop in Baltimore. We would like to thank Dr Claudio Cricelli and SIMG for kindly providing the data included in the Health Search Database. Replication files and additional results will be available at the following webpage: http://sites.google.com/site/domdepalo/ Dr. Bhattacharya is grateful for support from the US National Institute on Aging (P30 AG17253) for his work on this paper. The views expressed herein are those of the authors and do not necessarily reflect the views or imply any responsibility for the National Bureau of Economic Research or their institutions. NBER working papers are circulated for discussion and comment purposes. They have not been peer-reviewed or been subject to the review by the NBER Board of Directors that accompanies official NBER publications. © 2019 by Domenico Depalo, Jay Bhattacharya, Vincenzo Atella, and Federico Belotti. All rights reserved. Short sections of text, not to exceed two paragraphs, may be quoted without explicit permission provided that full credit, including © notice, is given to the source.