to doing sports, particularly so for girls and children from more highly educated families, doing sports improves … an extensive robustness analysis including instrumental variable estimation and a formal sensitivity analysis of the …

to doing sports, particularly so for girls and children from more highly educated families, doing sports improves … an extensive robustness analysis including instrumental variable estimation and a formal sensitivity analysis of the …

reduction in East German fertility is in fact part of an adjustment process towards West German fertility patterns …

-curricular activities, on children's skill development. Our results indicate positive effects: both cognitive skills, measured by school … datasets as well as alternative estimation and identification strategies. The effects can be partially explained by increased …-parametric estimation …