"In Deutschland wird die Zahl der Erwerbstätigen aus verschiedenen Datenquellen errechnet und steht erst mit zeitlicher Verzögerung zur Verfügung - bis vor kurzem erst etwa 70 Tage nach dem Ende des jeweiligen Berichtsmonats. Um diese Lücke zu überbrücken und die Zahl der Erwerbstätigen...

"In an overlapping-generations model with endogenous birth rates, I design a reform of the pay-as-you-go pension system, which internalises positive externalities of children - their pension contributions. Individuals may differ in their preferences for children and their ability to have...

"In an overlapping-generations model with endogenous birth rates, I design a reform of the pay-as-you-go pension system, which internalises positive externalities of children - their pension contributions. Individuals may differ in their preferences for children and their ability to have...

This paper presents a case study on commissioned economic research in Germany. We find deplorable methodological and empirical shortcomings in a prominent study by Munich's ifo-Institute, on aspects of horizontal fiscal revenue sharing between German states. We suspect that this may not be an...

I suggest a concept of convergence stronger than [sigma]-convergence. This concept, [rho]-convergence, is equivalent to [beta]-divergence in reverse time and implies bounds for convergence speed of merely [sigma]-convergent economies. Empirically, the [rho]-concept detects divergence earlier...

This paper contains a brief description of the methodological approach to economic fluctuations developed by Arthur F. Burns and Wesley C. Mitchell at the National Bureau of Economic Research. Applying this methodology to growth cycles of the West German economy gives rise to a large number of...

In this paper I test the unit root hypothesis for U.S. log GNP using the information available in income distribution data. The percentile data of an income distribution are shown to follow the same autoregressive pattern as does mean income. Under the null hypothesis of a unit root log GNP is...