To assess the performance of the employment-based health insurance system, it is necessary to understand how well workers sort into jobs that offer their desired mix of cash wages relative to benefits. However, few studies directly measure the extent of sorting. We quantify the prevalence of...

We seek to understand the relationship between employer decisions regarding which health plans firms choose to offer to their employees and the performance of those plans. We measure performance using data from the Health Plan Employer Data Information Set (HEDIS) and the Consumer Assessment of...

This paper investigates the impact of Medicare HMO penetration on the medical care expenditures incurred by Medicare fee-for-service (FFS) enrollees. We find that increasing penetration leads to reduced spending on FFS beneficiaries. In particular, our estimates suggest that the increase in HMO...