Drug Diffusion through Peer Networks: The Influence of Industry Payments

• 成果类型: Article
• 署名作者: Agha, Leila; Zeltzer, Dan
• 署名单位: Dartmouth College; National Bureau of Economic Research; Tel Aviv University
• 刊物名称: AMERICAN ECONOMIC JOURNAL-ECONOMIC POLICY
• ISSN/ISSBN: 1945-7731
• DOI: 10.1257/pol.20200044
• 发表日期: 2022
• 页码: 1-33
• 关键词: atrial-fibrillation; social interactions; stroke; RISK; identification; validation; score

摘要

Pharmaceutical companies market to physicians through individual detailing accompanied by monetary or in-kind transfers. Large compensation payments to a small number of physicians account for most of this promotional spending. Studying US promotional payments and prescriptions for anticoagulant drugs, we investigate how peer influence broadens the payments'reach. Following a compensation payment, prescriptions for the marketed drug increase from both the paid physician and the paid physician's peers. Payments increase prescriptions to both recommended and contraindicated patients. Over three years, marketed anticoagulant prescriptions rose 23 percent due to payments, with peer spillovers contributing a quarter of the increase.