Diese Arbeit untersucht die erwerbsfÄahig eingestuften Bezieher von Arbeitslosengeld II, die mindestens einmal Arbeitslosengeld II im dritten Quartal 2006 bezogen haben. Unsere Ergebnisse zeigen, dass 16% der Bezieher von Arbeitslosengeld II im dritten Quartal 2006 während des Zeitraums 2000...

The purpose of this article is to evaluate the importance of social class, migration background and command of national languages for the PISA school performance of teenagers living in European countries (France, Finland, Germany, United Kingdom, and Sweden) and traditional countries of...

A number of contributions have found evidence for motherhood being a critical life event for women's employment careers. This study presents a detailed model for the du- ration of maternity leave in which young mothers can make a transition into a number of states related to employment and...

Exploiting unique German administrative data, we estimate the association between an expansion in maternity leave duration from two to six months in 1979 and mothers' post-birth long-term sickness absence over a period of three decades after childbirth. Using a regression discontinuity design,...

This paper analyzes the impact of shortening the duration of secondary schooling on the accumulation of human capital. In 2003, an educational policy reform was enacted in Saxony-Anhalt, a German state, providing a natural experimental setting. The thirteenth year of schooling was eliminated for...

Bei den Klimaverhandlungen in Kyoto einigten sich die Delegierten auf die Einrichtung eines sogenannten Clean Development Mechanism. Dabei handelt es sich um einen Vertragsmechanismus, dessen Herzstück die Gemeinsame Vertragsumsetzung ist, welche international als Joint Implementation...

Energy efficiency regulation is an important driver for innovations in environmental technologies. Improvements of energy efficiency do not only contribute to reach envi-ronmental policy targets, they can be furthermore economically profitable. E.g. private households can reduce their costs in...

This paper analyses two aspects of environmental regulations triggered by ecoinnovations. First, whether there are long term effects of regulation on innovation. Second, whether the impact of different types of regulation differ by type of the environmental benefit of the innovations. To answer...

Energy and resource efficiency innovations (EREIs) are often seen as win-win opportunities for both the economic and the environmental performance of firms. It is thus worth asking how the innovation activities and performance of firms with regard to energy and resource efficiency look like: Do...

The aim of this study is the analysis of so called socially responsible investments (SRI). First, the performance of SRI equity investment funds and equity indices is investigated using Jensen´s alpha as performance measure. The analysis considers market timing strategies of the fund management...