The Mannheim Enterprise Panel (Mannheimer Unternehmenspanel – MUP) of the Centre for European Economic Research (ZEW) is the most comprehensive micro database of companies in Germany outside the official business register (which is not accessible to the public). The MUP is based on the firm...

Ostdeutsche Unternehmen werden seit der deutschen Wiedervereinigung bei staatlichen Subventionsprogrammen besonders berücksichtigt. Diese Studie untersucht die Auswirkungen der Forschungs- und Technologiepolitik auf die Innovationsaktivitäten von Unternehmen der neuen Bundesländer. Es stellt...

Using different regional data sources for East Germany the three largest active labour market policy (ALMP) programmes - job creation schemes (JCS), structural adjustment schemes (SAS) and public training (PT) - are evaluated. After addressing the regional allocation rule of the funding of ALMPs...

This study re-estimates the employment effects of training programs for the unemployed using exogenous variation in participation caused by budget rules in Germany in the 1980s and early 1990s, resulting in the infamous "end-of-year spending". In addition to estimating complier effects with...

This paper investigates the roles psychological biases play in empirically estimated deviations between subjective survival beliefs (SSBs) and objective survival probabilities (OSPs). We model deviations between SSBs and OSPs through age-dependent inverse S-shaped probability weighting functions...

The German corporate tax reform of 2008 has brought about important cuts in corporate tax rates, which were at the same time accompanied by significant changes in the determination of the tax base for both major German corporate taxes - corporate income tax and trade tax. The reform followed the...

The German corporate tax reform of 2008 has brought about important cuts in corporate tax rates, which were at the same time accompanied by significant changes in the determination of the tax base for both major German corporate taxes - corporate income tax and trade tax. The reform followed the...

Register data are known for their large sample size and good data quality. The measurement accuracy of variables highly depends on their high importance for administrative processes. The education variable in the IAB employment sub-sample is an example for information that is gathered without a...

Theory predicts a positive relationship between market concentration and profitability in most scenarios. In empirical work, however, this relation is frequently not found or only a weak connection is observed. We compare the performance of concentration and market share variables, which are...