1. Treatment effects in duration models and Granger non-causality;Abbring,1998
2. The nonparametric identification of treatment effects in duration models;Abbring,2000
3. The non-parametric identification of the mixed-proportional-hazard competing-risks model;Abbring,2000
4. The unobserved heterogeneity distribution in duration analysis;Abbring,2001
5. The effect of unemployment insurance sanctions on the transition rate from unemployment to employment;Abbring,1997