Frontmatter -- Inhalt / Contents -- Editorial -- Abhandlungen/Original Papers -- Causal Returns to Education: A Survey on Empirical Evidence for Germany -- Heterogeneous Returns to Training -- Employment Protection: Its Effects on Different Skill Groups and on the Incentive to become Skilled -- Training, Mobility, and Wages: Specific Versus General Human Capital -- A Duration Analysis of the Effects of Tuition Fees for Long-Term Students in Germany -- Backmatter