This paper investigates the effect of environmental innovations on firm profitability with respect to differences between small and medium-sized (SME) and large (LE) enterprises. Using data from the Mannheim Innovation Panel (MIP) 2015, results show that, in general, SME benefit more from...

The paper investigates determinants of formal and non-formal continuous vocational training and its income effects among German selfemployed and employed workers in 1991/92. Participation in continuous formal training is more frequently observed with employed workers, whereas self-employed are...

Wir analysieren die Entwicklung der Bildungsrenditen in Westdeutschland in der Periode von 1984 bis 1997 auf der Basis der Humankapitaltheorie mit Daten des Sozio-Ökonomischen Panels. Die Schätzergebnisse zeigen, dass Frauen mit etwa 10% eine signifikant höhere durchschnittliche...