Education and Mobility in Heterogeneous Labor Markets ILO This new organization type brings Pathologisches Institut der Universität This new organization type brings a combination of business dynamism and explicit business process structure to domains where on the fly formation of well organized business networks is required to deal with the complexity of new products or services under high time pressure The completion of thesetwoimportantlong termresearchprojectshascontributedsubstantiallyto improving the possibilities of content recognition and processing of handwritten 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 226 Jahrbücher für Nationalökonomie und Statistik