NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH
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Competitive Effects of Federal and State Opioid Restrictions: Evidence from the Controlled Substance Laws

Sumedha Gupta, Thuy D. Nguyen, Patricia R. Freeman, Kosali I. Simon

NBER Working Paper No. 27520
Issued in July 2020

---- Acknowledgments ----

This research was supported in part by the National Institute on Drug Abuse grant R01 DA039928 (PI: Perry) and the Indiana University Grand Challenges Initiative. We thank Rosalie Pacula, David Powell, Coady Wing and seminar participants at the January 2020 Allied Social Sciences Association (ASSA) meetings and the Indiana University Health Policy Workshop for useful input. We are especially grateful to David Bradford for making additional data available. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.

---- Disclosure of Financial Relationships for Thuy D. Nguyen ----

Dr. Thuy Nguyen has received fellowship stipends from Indiana University’s Grand Challenge Initiatives. Previously, Dr. Nguyen received postdoctoral fellowship funding through the SPEA Postdoctoral Fellows on Regulatory Reform program. Funding for this program is provided by the Searle Freedom Trust. These sources of funding did not support the work described in this paper.

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