Nach dem "Mainzer Modell" erhalten Bezieher von niedrigen Erwerbseinkommen bei Neuaufnahme einer sozialversicherungspflichtigen Beschäftigung Zuschüsse zu ihren Sozialversicherungsbeiträgen. Nach Meinung von Dr. Hans-Peter Klös und Holger Schäfer, Institut der deutschen Wirtschaft Köln,...

Summary Duration data derived from retrospective surveys often show an abnormal concentration of responses at certain durations. This common kind of measurement error is known as “heaping” in the statistical literature. We show how heaping effects can be modelled within a maximum likelihood...

Summary We analyze the effectiveness of publicly financed training and retraining programs in east Germany as measured by their effects on individual re-employment probabilities after training. These are estimated by discrete hazard rate models on the basis of individual-level panel data. We...

To estimate the impact of profit taxation on the financial leverage of corporations, this study uses a pseudopanel constructed from comprehensive corporate tax return microdata for the period 1998–2001, which saw the introduction of major corporate tax reform in Germany. Financial leverage...