NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

NBER Working Papers by Asako S. Moriya

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Working Papers

June 2014Impact of Premium Subsidies on the Take-up of Health Insurance: Evidence from the 2009 American Recovery and Reinvestment Act (ARRA)
with Kosali Simon: w20196
We study the impact of the 65-percent federal health insurance premium subsidy, which aimed to help unemployed workers retain coverage and was in effect from February 2009 to May 2010 through the American Recovery and Reinvestment Act (ARRA). In doing so, we also estimate the price elasticity of demand for health insurance using very recent public policy variation. Our research contributes to the evaluation of the ARRA subsidy’s coverage impact and to a better understanding of consumer responses to subsidized coverage options through the Affordable Care Act. We find that the ARRA subsidy is associated with a 15.2-percent increase in the continuation of employer coverage. This translates into a price elasticity estimate of -0.24, which is towards the middle range of elasticities in existing...
Access to Health Insurance and the Use of Inpatient Medical Care: Evidence from the Affordable Care Act Young Adult Mandate
with Yaa Akosa Antwi, Kosali Simon: w20202
The Affordable Care Act of 2010 expanded coverage to young adults by allowing them to remain on their parent’s private health insurance until they turn 26 years old. While there is evidence on insurance effects, we know very little about use of general or specific forms of medical care. We study the implications of the expansion for the use of inpatient hospitalizations. Given the prevalence of mental health needs for young adults, we also specifically study mental health related inpatient care. We find evidence that compared to those aged 27-29 years, treated young adults aged 19-25 years increased their inpatient visits by 3.5 percent. Visits related to mental illness increased 9.0 percent. The prevalence of uninsurance among hospitalized young adults decreased by 12.5 percent; however, ...
June 2012Effects of Federal Policy to Insure Young Adults: Evidence from the 2010 Affordable Care Act Dependent Coverage Mandate
with Yaa Akosa Antwi, Kosali Simon: w18200
We study the health insurance and labor market implications of the recent Affordable Care Act (ACA) provision that allows dependents to remain on parental policies until age 26 using data from the Survey of Income and Program Participation (SIPP). Our comparison of outcomes for young adults aged 19-25 with those who are older and younger, before and after the law, shows a high take-up of parental coverage, resulting in substantial reductions in uninsurance and other forms of coverage. We also find preliminary evidence of increased labor market flexibility in the form of reduced work hours.
November 2011The Impact of the Macroeconomy on Health Insurance Coverage: Evidence from the Great Recession
with John Cawley, Kosali I. Simon: w17600
This paper investigates the impact of the macroeconomy on the health insurance coverage of Americans using panel data from the Survey of Income and Program Participation (SIPP) for 2004-2010, a period that includes the Great Recession of 2007-09. We find that a one percentage point increase in the state unemployment rate is associated with a 1.67 percentage point (2.12%) reduction in the probability that men have health insurance; this effect is strongest among college-educated, white, and older (50-64 year old) men. For women and children, health insurance coverage is not significantly correlated with the unemployment rate, which may be the result of public health insurance acting as a social safety net. Compared to the previous recession, the health insurance coverage of men is more s...

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