We consider testing for correct specification of a nonparametric instrumental variable regression. In this ill-posed inverse problem setting, the test statistic is based on the empirical minimum distance criterion corresponding to the conditional moment restriction evaluated with a Tikhonov...

The paper evaluates the treatment effects of the wage subsidy program in Hamburg with propensity score matching as well as linear regressions. It is found that the estimated treatment effects differ only slightly between both methods. When analysing heterogeneous treatment effects, however,...

The magnitude of the value of a statistical life (VSL) is critical to the evaluation of many health and safety initiatives. To date, the large and rigorous VSL research literature has not explicitly accommodated publication selectivity bias (i.e., the reduced probability that insignificant or...