Causal effects of a policy change on hazard rates of a duration outcome variable are not identified from a comparison … identification of average treatment effects on hazard rates without model structure. We estimate these effects by kernel hazard …

-discontinuity estimation in the sharp age-discontinuity design of the NDYP job search assistance program for young unemployed in the UK. Next …, where compliance is imperfect among the young. Adjusting the matching estimator for selectivity changes the results towards …

identification is only achieved in special cases. The bounds have a simple analytical form and thus have much practical relevance in …

variation in the timing of treatment and outcome, dealing with selectivity on unobservables. We demonstrate the appropriateness … of this approach in our con-text by studying the enrollment process. We develop a model allowing for duration dependence … and unobserved heterogeneity (leading to spurious duration dependence) in the treatment effect itself, and we prove non …

the market, averaged over the full population, we develop an identification and estimation method in two steps. The first …

-based estimators have been suggested alternatively. In this paper I discuss empirical likelihood (EL) estimation for count data models …

estimation in particular has favorable properties in this setting compared to the two-step GMM procedure, which is demonstrated … in a Monte Carlo experiment. The proposed method is applied to the estimation of a cigarette demand function. …