Aaron S. Yelowitz

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IRP publications (discussion papers, special reports, and the newsletter Focus) are now available electronically. Abstract This paper assesses the importance of receiving public health insurance through the Medicaid program on participation in Supplemental Security Income (SSI) for the elderly. The implementation of the Qualified Medicare Beneficiary (QMB)(More)
Recent theoretical work suggests that means and asset-tested social insurance programs can explain the low savings of lower income households in the U.S. We assess the validity of this hypothesis by investigating the effect of Medicaid, the health insurance program for low income women and children, on savings behavior. We do so using data on asset holdings(More)
The most significant pieces of the Affordable Care Act (exchanges, subsidies, Medicaid expansion, and individual mandate), implemented in 2014, were associated with sizable gains in coverage nationally that were divided equally between gains in Medicaid and private coverage. These national trends mask heterogeneity in gains by state Medicaid expansion(More)
This study provides evidence on health insurance decisions of senior citizens. Nearly all senior citizens have health insurance coverage through Medicare, but poor seniors may also qualify for Medicaid that fills many gaps in Medicare coverage. Since 1987, the Medicaid program has expanded eligibility. Using the SIPP, I find that Medicaid eligibility(More)
I thank Jonathan Gruber for helpful discussions and assistance in obtaining some of the data used in this study. In addition, The author may be contacted at NBER until August 1997. The data and STATA programs used in this study are available from the author. IRP publications (discussion papers, special reports, and the newsletter Focus) are now available(More)
The Affordable Care Act (ACA) aimed to achieve nearly universal health insurance coverage in the United States through a combination of insurance market reforms, mandates, subsidies, health insurance exchanges, and Medicaid expansions, most of which took effect in 2014. This paper estimates the causal effects of the ACA on health insurance coverage in 2014(More)
A four-item questionnaire asked active U.S. members of the Child Neurology Society to value painless antiepileptic drug concentration monitoring, whether members had ordered a saliva level (the best established painless method) in the last year, and whether such levels were available. Value was quantified by time per patient that the physician would(More)