NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH
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Kyle R. Myers

442 Morgan Hall
Harvard Business School
Boston, MA 02163

E-Mail: EmailAddress: hidden: you can email any NBER-related person as first underscore last at nber dot org

NBER Working Papers and Publications

July 2018Physician-Industry Interactions: Persuasion and Welfare
with Matthew Grennan, Ashley Swanson, Aaron Chatterji: w24864
In markets where consumers seek expert advice regarding purchases, firms seek to influence experts, raising concerns about biased advice. Assessing firm-expert interactions requires identifying their causal impact on demand, amidst frictions like market power. We study pharmaceutical firms' payments to physicians, leveraging instrumental variables based on regional spillovers from hospitals' conflict-of-interest policies and market shocks due to patent expiration. We find that the average payment increases prescribing of the focal drug by 73 percent. Our structural model estimates indicate that payments decrease total surplus, unless payments are sufficiently correlated with information (vs. persuasion) or clinical gains not captured in demand.
October 2016A Ricardian-Demand Explanation for Changing Pharmaceutical R&D Productivity
with Mark Pauly: w22720
This paper examines trends in the aggregate productivity of the pharmaceutical sector over the past three decades. We incorporate Ricardo’s insight about demand-driven productivity in settings of variable scarce resources, and estimate the industry’s responsiveness to changes in demand over this timeframe using therapeutic class-specific data. In contrast to many analyses, our empirical estimates indicate that the industry has “met demand” with remarkable consistency since the late-1980s. The growth in total R&D spending, and therefore R&D costs per new drug, appear to have been profitable and productive investments. While we identify a significant increase in the industry’s fixed costs - the intercept of the production function - we find no decline in the marginal productivity of industry...
 
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