2004
The Social Security Retirement Earnings Test, Retirement and Benefit Claiming
WP 2004-090 , UM04-01
This paper introduces the age at which Social Security benefits are claimed as an additional outcome in a structural model of retirement and wealth. The model is then used to simulate the effects of abolishing the remainder of the Social…
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Modeling Lifetime Earnings Paths: Hypothetical versus Actual Workers
WP 2004-074 , UM02-C2
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2003
The Supplemental Security Income Program and Incentives to Claim Social Security Retirement Early: Empirical Evidence from Matched SIPP and Social Security Administrative Files
WP 2003-036 , UM02-13
Features of the Supplemental Security Income (SSI) program and the social security retirement system interact to create incentives for prospective participants in the aged portion of SSI to withdraw from the labor force and make an early old age insurance…
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Changes in the Economic Well-Being of Widows Following the Death of Their Husband: A Four Country Comparison
IB 2002-033 , UM00-10
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Widowhood, Divorce, and Loss of Health Insurance Among Near Elderly Women: Evidence from the Health and Retirement Study
WP 2003-040 , UM00-09
We have found modest effects of widowhood events on loss of health insurance. There are also modest effects of widowhood on labor supply, which we have not as yet attempted to attribute to insurance demand. Even new widowhood events, however,…
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Disability Benefits as Social Insurance: Tradeoffs Between Screening Stringency and Benefit Generosity in Optimal Program Design
WP 2003-042 , UM00-13
The Social Security Disability Insurance (SSDI) system is designed to provide income security to workers in the event that health problems prevent them from working. In order to qualify for benefits, applicants must pass a medical screening that is intended…
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Who Becomes a Stockholder? Expectations, Subjective Uncertainty, and Asset Allocation
WP 2003-039 , UM02-04
We develop a model of portfolio selection with subjective uncertainty and learning in order to explain why some people hold stocks while others don’t. We model heterogeneity in information directly, which is an alternative to the existing explanations that emphasized…
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Key Equations in the Tuljapurkar-Lee Model of the Social Security System
WP 2003-044 , UM03-Q1
We present stochastic forecasts of the Social Security trust fund by modeling key demographic and economic variables as historical time series, and using the fitted models to generate computer simulations of future fund performance. We evaluate several plans for achieving…
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Stochastic Forecasts of the Social Security Trust Fund
WP 2003-043 , UM03-Q1
We present stochastic forecasts of the Social Security trust fund by modeling key demographic and economic variables as historical time series, and using the fitted models to generate computer simulations of future fund performance. We evaluate several plans for achieving…
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