In this paper, a dynamic nearest neighbor (DNN) policy is proposed for operating a fleet of vehicles to serve customers, who place calls in a Euclidean service area according to a Poisson process. Each vehicle serves one customer at a time, who has a distinct origin and destination independently...

The brief’s key findings are: *Federal Reserve data show that retirement preparedness has been declining over time, but studies on the level of preparedness offer conflicting assessments. *The National Retirement Risk Index (NRRI) finds half of households are “at risk,” while studies of...

This paper examines conflicting assessments of whether people will have adequate retirement income to maintain their pre-retirement standard of living. The studies that it examines use data from the Survey of Consumer Finances (SCF), the Health and Retirement Study (HRS), and the HRS supplement...

The U.S. government subsidizes retirement saving through 401(k) plans with $61.4 billion in tax expenditures annually, but the question of whether these tax incentives are effective in increasing saving remains unanswered. Using longitudinal U.S. Social Security Administration data on...

Both unemployment insurance (UI) extensions and the availability of disability benefits have disincentive effects on job search. But UI extensions can reduce the efficiency cost of disability benefits if UI recipients delay disability application until they exhaust their unemployment benefits....

In 2010, only 19 percent of individuals ages 50-58 whose household incomes were less than 300 percent of the poverty line participated in a pension of any kind at their current jobs, compared to 56 percent of those above 300 percent of poverty. This paper investigates this pension gap. In...

This project uses the Survey of Income and Program Participation to examine the decision to retire after job separation among the increasing number of older individuals who leave a job between 55 and 70, and how this decision varies by labor market conditions and the resources available to the...

Workers over age 55 with chronic health conditions must choose between applying for Social Security Disability Insurance (SSDI) benefits or continuing to work until their Social Security retirement benefits become available. Previous research has investigated the influence of macroeconomic...

During the Great Recession, more older workers have claimed Social Security benefits early. This paper addresses two important policy questions: Who are these early claimers? How much retirement income have they lost as a result of claiming early? Using the Health and Retirement Study (HRS) we...

In 1990, the U.S. Supreme Court decision in the Sullivan v. Zebley case fundamentally changed, albeit temporarily, the criteria under which children qualified for the Supplemental Security Income (SSI) program based on disability. Instead of a system based on medical criteria alone, 1996...