The continued rise in the number of non-elderly Americans without health insurance has led to considerable interest in tax-based policies to raise the level of insurance coverage. This paper describes a detailed microsimulation model that has been developed to evaluate such tax-based policies,...

This paper reviews the issues raised by and the impacts of the tax exclusion for employer-sponsored health insurance. After reviewing the arguments for and against this policy, I present evidence from a micro-simulation model on the impacts on federal revenue, insurance coverage, and income...

The Social Security earnings test reduces payments to beneficiaries whose labor income exceeds a given threshold. We investigate the impact of this rule by studying the significant changes in its structure over the past 25 years. We find that the earnings test exerts no robust influence on the...

The Patient Protection and Affordable Care Act (ACA) is the most comprehensive reform of the U.S. medical system in at least 45 years. The ACA transforms the non-group insurance market in the United States, mandates that most residents have health insurance, significantly expands public...