Mergers and Quality Provision in Healthcare: Evidence from Nursing Homes

This paper tests whether mergers between nursing home chains and independent facilities affect quality of care using facility-level data from 1999-2019. Staggered difference-in-differences estimates suggest that acquired facilities experience a 5% reduction in health deficiency citations 2 years

本研究基于1999-2019年的机构层面数据，检验养老院连锁机构与独立护理设施之间的并购行为是否会对护理质量产生影响。采用渐进双重差分（staggered difference-in-differences）模型进行估计，结果显示，被收购的护理设施在并购两年后收到的健康缺陷违规通知数量减少了5%。