Volunteering constitutes one of the most important pro-social activities. Following Adam Smith, helping others is the way to higher individual well-being. This view contrasts with the selfish utility maximizer who avoids costs from helping others. The two rival views are studied empirically. We...

An empirical analysis of various waves of the ALLBUS social survey shows that the level and the structure of unionization has become more and more similar in eastern and western Germany in the period 1992 to 2000. The originally high level of union density in eastern Germany has dropped below...

Determining the optimal age at which a child should enter school is a controversial topic in education policy. In particular, German policy makers, pedagogues, parents, and teachers have since long discussed whether the traditional, established age of school entry at 6 years remains appropriate....

A number of studies suggest that mortality rates among East German men increased in the wake of reunification, in particular between 1989 and 1991, in some age groups by up to thirty percent. This study first examines the developments of mortality and cause of death statistics based on detailed...

The paper studies the determinants of labor force participation by East German women after unification. To isolate the role of preferences on labor force participation from individual characteristics, we develop a panel data model that simultaneously explains participation, employment and wages....

In this paper we test the Rational Expectations hypothesis using longitudinal data on expectations and realizations of individual welfare for East Germans in the years following reunification. German reunification was unexpected and delivered a large shock to the future prospects of the...

Using data from the German Socio-Economic Panel (GSOEP), this paper analyzes the dynamics of equivalent income in Germany in the eighties and nineties. Special emphasis is given to the separation of permanent and transitory components, the persistence of transitory shocks and their implications...

Using register data from the IAB employment sample, this paper studies the wage structure in the German labor market throughout the years 1992-2001. Wage dispersion has generally been rising. The increase was more pronounced in East Germany and occurred predominantly in the lower part of the...

This paper delivers new insights into the development of income inequality and regional stratification in Germany after unification using a new method for detecting social stratification by a decomposition of the GINI index which yields the obligatory between- and within-group components as well...

Using unique new data and a recently introduced non-linear decomposition technique this paper shows that the huge difference in the propensity to export between West and East German plants is to a large part due to differences in firm size and human capital intensity.