The pay-as-you-go social security system, increasingly burdened by dwindling labor force, can benefit from immigrants whose birth rates exceed those of the native born birth. The paper examines adynamic political-economy mechanism through which the social security system influences the young...

Implicit government obligations represent the lion's share of government liabilities in the U.S. and many other countries. Yet these liabilities are rarely measured, let alone properly adjusted for their risk. This paper shows, by example, how modern asset pricing can be used to value implicit...

This paper analyzes changes in the progressivity of the Social Security benefit formula as a means of lessening the risk inherent in investment-based Social Security reform. Focusing on a single cohort of workers, it simulates the distribution of benefits subject to both earnings and financial...

We examine a system of Unemployment Insurance Saving Accounts (UISAs) as an alternative to the traditional unemployment insurance system. Individuals are required to save up to 4 percent of wages in special accounts and to draw unemployment compensation from these accounts instead of taking...

Social Security faces a major long-term funding crisis. A 38 or greater percentage increase in the systems' tax rate is needed to meet current benefit payments on an ongoing basis. Tax increases of this magnitude or comparable benefit cuts would significantly worsen what is already a very bad...

This paper examines how labor income volatility and social security benefits can influence lifecycle household portfolios. We examine how much the individual optimally saves and where, taking into account liquid financial wealth and annuities, and stocks as well as bonds. Higher labor income...

According to CPS data, men 65 to 69 were about six percentage points less likely to be retired in 2004 than in 1992. CPS and Health and Retirement Study (HRS) data indicate a corresponding difference of 3 percentage points between 1998 and 2004. Simulations with a structural retirement model...

This paper compares two general methods of privatization social security: forced participation in the new privatized system vs. letting people choose between the new system or staying in social security (i.e., opting out). Simulations are performed using a large scale perfect-foresight OLG...

This paper studies the labor market impacts of firm accommodation decisions and assesses implications for the design of social insurance for workplace disability. We leverage a unique workers' compensation (WC) program in Oregon that provides wage subsidies to firms for accommodating injured...