医疗保健地理差异的来源：患者迁移的证据。
SOURCES OF GEOGRAPHIC VARIATION IN HEALTH CARE: EVIDENCE FROM PATIENT MIGRATION.
作者信息
Finkelstein Amy, Gentzkow Matthew, Williams Heidi
出版信息
Q J Econ. 2016 Nov;131(4):1681-1726. doi: 10.1093/qje/qjw023. Epub 2016 Jul 19.
Abstract
We study the drivers of geographic variation in US health care utilization, using an empirical strategy that exploits migration of Medicare patients to separate the role of demand and supply factors. Our approach allows us to account for demand differences driven by both observable and unobservable patient characteristics. Within our sample of over-65 Medicare beneficiaries, we find that 40-50 percent of geographic variation in utilization is attributable to demand-side factors, including health and preferences, with the remainder due to place-specific supply factors. JEL: H51, I1, I11.
摘要
我们利用一种实证策略研究美国医疗保健利用的地理差异驱动因素，该策略通过医疗保险患者的迁移来区分需求和供给因素的作用。我们的方法使我们能够考虑由可观察和不可观察的患者特征驱动的需求差异。在我们65岁以上医疗保险受益人的样本中，我们发现，医疗保健利用方面40%-50%的地理差异可归因于需求侧因素，包括健康状况和偏好，其余归因于特定地区的供给因素。《经济文献杂志分类号》：H51、I1、I11。
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