UM05-01: Social Security Eligibility, Benefit Levels, and Replacement Rates in the HRS

Social Security reform proposals are often presented in terms of their differential impacts on hypothetical workers with a range of lifetime earnings. Our work will explore how different concepts of replacement rates influence benefit outcomes, and how these are in…

UM05-02: Retirement, Saving, Benefit Claiming and Solvency Under A Partial System of Voluntary Personal Accounts

This project will examine behavior under a partial system of voluntary personal accounts and analyze implications for the Social Security system. Questions to be addressed include: What determines participation in a partial system of voluntary personal accounts? How will these…

UM05-03: Understanding Global Aging

This proposal responds to SSA’s interest in global aging by developing a dynamic, general equilibrium, life-cycle simulation model of demographic change in the U.S., EU, Japan, China, and India. The model, a prototype of which exists, incorporates fertility reductions, lifespan…

UM05-04: Technological Progress and Worker Productivity at Different Ages

This project will use 1950–90 Census data to test whether the effects of technological progress are specific to young workers or general to workers of all ages. Which model holds is very important. If the specific model is more valid,…

UM05-05: Social Security and Retirement Dynamics

This project will explain the relation of specific features of Social Security, such as benefit amounts, the early entitlement age, the normal retirement age and the earnings-test parameters, to the full range of retirement outcomes – continued work on the…

UM05-06: Enhancing Data Quality through Longitudinal Imputation: Studies of the Income and Asset Data from HRS and AHEAD

This project continues work done over the past several years on the assessment of data quality in the HRS and AHEAD surveys, eventually intended to result in a set of longitudinally consistent data files for these surveys. Much of the…

UM05-07: Secure Data Environment and Development of Remote Data Access Facilities

The MRRC will continue to support a secure data environment at the Institute for Social Research, (the Data Enclave), where researchers can analyze Social Security administrative files without risking a breach of confidentiality. While this is an important resource, travel…

UM05-14: Savings, Portfolio Choice, and Retirement

Household investment decisions crucially determine the consequences of personal accounts and the adequacy of Social Security and pensions after retirement. We propose to analyze portfolio composition dynamics before and after retirement using 1992-2002 HRS data (especially the SSA-funded user-friendly RAND…

UM05-15: Personal Social Security Accounts: Quantifying the Macro and Efficiency Effects

This project will use a large-scale overlapping-generations lifecycle model incorporating idiosyncratic wage shocks and uncertain lifetimes to calculate the macroeconomic effects and efficiency gains from different approaches to creating personal accounts. The analysis will include the risk sharing aspects of…

UM05-16: Changing Health Insurance Options and SSI Participation Among the Elderly

This project seeks to study interactions among SSI, OASDI, and Medicare and Medicaid. It will use data from the HRS and SIPP, matched to SSA administrative records, to estimate individuals’ choices about SSI application. The Supplemental Security Income (SSI) program…

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