Whereas the number of paid overtime hours declined over the last decade, a different trend can be observed for unpaid overtime work in Germany. We look at the future consequences for overtime workers, and therefore investigate the investment character of working time. We examine whether unpaid...

This paper analyzes empirical market utility functions and pricing kernelsderived from the DAX and DAX option data for three market regimes. Aconsistent parametric framework of stochastic volatility is used. All empiricalmarket utility functions show a region of risk proclivity that is...

As regards labor market effects of International Outsourcing, empirical studies have difficulties in confirming theoretical results. The use of different indices adds to the puzzle. The paper examines whether measurement differences are one reason for the mismatch between empirical and...

This paper analyzes the impact of different payment regimes for mobile-to-mobile off-net calls on the diffusion of mobile telephony, using data on 84 countries from all over the world. Since the decision whether or not countries are likely to switch from RPP to CPP is not independent from...

Based on a questionnaire survey the paper distinguishes between herdingasset managers who try to be good and non-herding asset managers who try to bebetter than their competitors. It provides evidence for reputational herding anddiscusses herding managers' working effort, preferred sources of...

Support of training has been one of the most important instruments of active labor market policy in East Germany. This paper attempts an evaluation of the effects of training on future employment and future wages of trainees. The analysis distinguishes between measures within and outside of the...