This paper discusses the evaluation problem using observational data when the timing of treatment is an outcome of a stochastic process. We show that the duration framework in discrete time provides a fertile ground for effect evaluations. We suggest easy-to-use nonparametric survival function...

Over the last year the German government has introduced a comprehensive set of labor market policy reforms, the so-called Hartz reforms, which aim at a significant reduction of unemployment. To this end, (a) many of the existing instruments of active labor market policy are modified...

In October 1999, the British government enacted the Working Families? Tax Credit, a generous tax credit aimed at encouraging work among low-income families with children. This paper uses longitudinal data collected between 1991 and 2001 to evaluate the effect of this reform on single mothers. We...

The paper discusses the question of whether financial participation of multilateral development banks does prompt private investors to inject more risky equity capital in emerging market banks. Using a theoretical model, it is stipulated that the presence of an official lender in a project gives...

Public R&D subsidies aim to target particularly risky R&D and R&D with large externalities. One would expect many such projects to fail from a commercial point of view, but they may still produce knowledge with social value. Such knowledge is likely to be embodied in workers or teams of workers....

Head Start is a comprehensive, early childhood development program designed to augment the human capital and health capital levels of disadvantaged children. Grossman's (1972) health capital model suggests that early investments of this type should have lasting effects on health outcomes. This...

Public R&D subsidies aim to target particularly risky R&D and R&D with large externalities. One would expect many such projects to fail from a commercial point of view, but they may still produce knowledge with social value. Such knowledge is likely to be embodied in workers or teams of workers....

This paper provides an econometric evaluation of the impact of two innovative care programs for elderly people with dementia (day-care centers and group-living) on the well-being of the primary caregiver of patients. For this evaluation, we use data from a survey conducted in six European...

The paper discusses the question of whether financial participation of multilateral development banks does prompt private investors to inject more risky equity capital in emerging market banks. Using a theoretical model, it is stipulated that the presence of an official lender in a project gives...