Based on new, exceptionally informative and large German linked employer-employee administrative data, we investigate the question whether the omission of important control variables in matching estimation leads to biased impact estimates of typical active labour market programs for the...

Increasing wage inequality between similar workers plays an important role for overall inequality trends in industrialized societies. To analyze this pattern, we incorporate directed labor market search into a dynamic model of international trade with heterogeneous firms and homogeneous workers....

Reportedly, firms often find it impossible to finance large and long-term projects despite positive net present values. Should governments step in and can their assistance be effective? This paper studies the case of public export credit guarantees in Germany. Covering the default risk of...

We estimate short, medium, and long-run individual labor market effects of training programs for unemployed by following program participation on a monthly basis over a ten-year period. Since analyzing the effectiveness of training over such a long period is impossible with experimental data, we...

In this paper we estimate a simple New-Keynesian DSGE model withIn diesem Diskussionspapier schätzen wir ein einfaches Neukeynesianisches dynamisches Gleichgewichtsmodel für deutsche Daten und den Zeitraum zwischen dem ersten Quartal 1970 und dem letzten Quartal 1998. Im Unterschied zu einer Reihe