Der Einsatz von Ethanol, erzeugt aus landwirtschaftlichen Grundstoffen, wird in vielen Ländern als vorrangige Form praktiziert, um fossile Kraftstoffe in einem gewissen Umfang zu substituieren. Dabei ist weltweit eine steigende Tendenz zu beobachten, und es entstehen durch den Aufbau eines...

Die derzeitigen Altersvorsorgesysteme stehen durch die demographischen Entwicklungen in den meisten Industrieländern in absehbarer Zukunft vor gravierenden Problemen. Da die staatliche Alterssicherung keine adäquate Versorgung im Alter sicherstellt, muss zusätzlich eine Absicherung durch...

Positive assortative matching implies that high productivity workers and firms match together. However, there is almost no evidence of a positive correlation between the worker and firm contributions in two-way fixed-effects wage equations. This could be the result of a bias caused by standard...

This paper considers labor market adjustments following a large import shock in the German clothing industry caused by the phasing out of the Multi-Fibre Arrangement. Using the German shoe industry as a control group and administrative data, we study adjustments on the individual and firm level...

COVID-19 hit firms by surprise. In a high frequency, representative panel of German firms, the business outlook declined and business uncertainty increased only when the spread of the COVID-19 pandemic led to domestic policy changes: The announcement of nation-wide school closures on March 13...

We estimate wage and job tenure functions that include individual and firm effects capturing time-invariant unobserved worker and firm heterogeneity using German linked employer-employee data (LIAB data set). We find that both types of heterogeneity are correlated to the observed characteristics...