Die Hartz-IV-Reform ist politisch stark umstritten. Mit ihr werden Gefährdungen des Lebensstandards bis hin zu Armut verbunden. Gleichzeitig konnte die Bundesrepublik ihre Arbeitslosenquote über die letzten Jahre so stark senken wie fast kein anderes Land in Europa bzw. der OECD. Welche Rolle...

To which extent does an increase in effectiveness of a public employment agency on the one hand and a reduction of unemployment benefits on the other reduce unemployment? Using the recent labour market reform in Germany we find that an improved agency explains substantial part of the observed...

It is common practice to estimate the volatility-growth link by specifying a standard growth equation such that the variance of the error term appears as an explanatory variable in this growth equation. The variance in turn is modelled by a second equation. Hardly any of existing applications of...

The distribution of unemployment duration in our equilibrium matching model with spell-dependent unemployment benefits displays a time-varying exit rate. Building on Semi-Markov processes, we translate these exit rates into an expression for the aggregate unemployment rate. Structural estimation...

Getting a tenured position in economics in Germany is viewed as a random outcome where the probability of tenure depends on the quantity and quality of publications, age and years since PhD. We measure publications both in units of Top 5 journals and in units of the European Economic Review...

By how much does an increase in operating effectiveness of a public employment agency (PEA) and a reduction of unemployment benefits reduce unemployment? Using a recent labour market reform in Germany as background, we find that an enhanced effectiveness of the PEA explains about 20% of the...