Between 1984 and 2000, the share of non-elderly adults receiving benefits from the Social Security Disability Insurance (DI) and Supplemental Security Income (SSI) programs rose from 3.1 to 5.3 percent. We trace this growth to reduced screening stringency and, due to the interaction between...

The U.S. temporary help services (THS) industry grew at 11 percent annually between 1979 and 1995, five times more rapidly than non-farm employment. Contemporaneously, courts in 46 states adopted exceptions to the common law doctrine of employment at will that limit employers' discretion to...