NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH
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When Discounts Raise Costs: The Effect of Copay Coupons on Generic Utilization

Leemore Dafny, Christopher Ody, Matthew Schmitt

NBER Working Paper No. 22745
Issued in October 2016

---- Acknowledgments ----

We are grateful for comments from Ernie Berndt, Pauline Kennedy, and participants in the 2015 Bates White Life Sciences Symposium, NBER Productivity Lunch, University of Chicago Health Economics Workshop, and Columbia University CPRC Seminar. We are thankful for many helpful conversations with David Schmidt and Elizabeth Schneirov of the Federal Trade Commission. We thank Susie Liu for outstanding research assistance. The statements, findings, conclusions, views, and opinions contained and expressed in this paper are based in part on data obtained under license from IMS Health Incorporated: National Prescription Audit, January 2007 – December 2010. All Rights Reserved. The statements, findings, conclusions, views, and opinions contained and expressed herein are not necessarily those of IMS Health Incorporated, any of its affiliated or subsidiary entities, or the National Bureau of Economic Research.

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