论文标题
谁增加了急诊科的使用？俄勒冈州健康保险实验的新见解
Who Increases Emergency Department Use? New Insights from the Oregon Health Insurance Experiment
论文作者
论文摘要
我们提供了有关俄勒冈实验中医疗补助增加的急诊科（ED）使用的标题结果的新见解。我们发现，使用因果机学习方法，医疗补助对ED使用的有意义的异构影响。个性化的治疗效果分布包括广泛的负值和正值，表明平均效应掩盖了实质性的异质性。一小部分分布的参与者的右尾部有14％的分配带来了整体效果。我们确定基于人口统计数据和以前的利用率的ED使用情况上具有经济上显着增加的优先级组。密集的保证金效应是ED利用率增加的重要驱动力。
We provide new insights regarding the headline result that Medicaid increased emergency department (ED) use from the Oregon experiment. We find meaningful heterogeneous impacts of Medicaid on ED use using causal machine learning methods. The individualized treatment effect distribution includes a wide range of negative and positive values, suggesting the average effect masks substantial heterogeneity. A small group-about 14% of participants-in the right tail of the distribution drives the overall effect. We identify priority groups with economically significant increases in ED usage based on demographics and previous utilization. Intensive margin effects are an important driver of increases in ED utilization.
