Time limits reduce caseloads directly by cutting off benefits after a time-limited usage, but may also provide families with an incentive to reduce welfare use in order to conserve their benefits. Both effects depend on the stock of remaining months of eligibility. This is the first empirical study to incorporate information on this crucial…

Based on Norwegian register data, we set up a multivariate mixed proportional hazard model (MMPH) to analyze nurses' pattern of work, sickness absence, nonemployment, and social insurance dependency from 1992 to 2000, and how that pattern was affected by workplace characteristics. The model is estimated by means of the nonparametric…