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学术报告


NSFC“计量建模与经济政策研究”基础科学中心定期召开研究进展与学术交流报告会,目标是在NSFC基础科学中心各领域科研人员之间搭建一个交流合作平台。报告者将介绍本人近期取得的重要科研进展或某一前沿领域国际重要进展,或介绍近期科研活动中遇到的困难等。通过交流讨论,了解前沿领域研究进展,探索交叉学科领域合作可能,激发新思想,寻找新思路。

NSFC“计量建模与经济政策研究”基础科学中心学术交流报告会第四讲

报告题目:Experience Effects and Technology Adoption: Evidence from Aortic Valve Replacement

报告人:Kelly Kaili Yang is a PhD Candidate in Economics at Duke University with research interests in industrial organization, health economics, and international trade. Her recent work has been published in or is under revision at journals such as Health Affairs, JAMA Network Open, and Journal of Political Economy. She is currently on the 2022-2023 economics job market.

时间:2022年12月1日(周四),10:00-11:30am

地点:线上会议(详情请咨询:林老师angelalin@xmu.edu.cn)

摘要:There have been concerted efforts in the medical profession to centralize certain surgical procedures in hopes that patients can benefit from treatment at hospitals with extensive experience or recent practice. In 2012, the Centers for Medicare and Medicaid Services (CMS) introduced minimum volume requirements that hospitals must satisfy to receive reimbursement for a new surgical procedure, transcatheter aortic valve replacement (TAVR). I examine the desirability of this regulation and the trade-offs that CMS faces between enhanced learning-by-doing, reduced patient access to hospitals offering TAVR, and fixed adoption costs. Using Medicare claims data, I find that doubling hospital experience reduces TAVR in-hospital mortality by one-sixth. I then develop and estimate a dynamic industry equilibrium model with learning-by-doing, patient choice, and hospital TAVR adoption. Counterfactual simulation shows that removing the policy restriction would have increased adoptions at hospitals that are relatively less desirable to patients. Further, this small access gain would be offset by reduced learning-by-doing and higher mortality. Overall, relative to the free-adoption counterfactual, the current Medicare policy achieves the same technology utilization and total consumer welfare with 13% lower fixed costs, thus improving social welfare.