Patient Cost-Sharing, Hospitalization Offsets, and the Design of Optimal Health Insurance for the Elderly
The RAND health insurance experiment (HIE) demonstrated that increasing coinsurance rates decreases medical care utilization. The HIE also found that health outcomes did not vary between individuals with high, low and zero coinsurance rates. A working paper by Chandra, Gruber and McKnight (“Patient Cost Sharing…“) re-examines whether or not this is the case using a…