In 1990, during reunification, West German democratic institutions and the existing political party system were expanded to the East German states. Even after 25 years, the people of eastern and western Germany still differ in their political engagement and attitudes. However, these differences...

The paper gives an overview of two experiments implemented in the German Socio-Economic Panel (SOEP) considering the effect of monetary incentives on cross-sectional and longitudinal response propensities. We conclude that the overall effects of monetary incentives on response rates are positive...

Like many medical studies, the Berlin Aging Study II (BASE-II) is based on a non-random convenience sample of self-recruited participants. To study processes of selectivity in BASE-II, we used an identical questionnaire to compare BASE-II with a large, representative reference study, the German...

People with low incomes and job seekers are less interested and active in politics than people above the at-risk-of-poverty threshold and the working population. Compared to other European democracies, Germany has slightly above-average levels of inequality of political participation. Data from...

In response to the European sovereign debt and currency crisis, the EU has begun to implement measures toward fiscal solidarity at least for the euro area. Survey data from the Socio-Economic Panel (SOEP) study show that just under half of all adults in Germany generally support providing...

A new representative survey of a total of 4,500 recently arrived refugees to Germany conducted by the Institute for Employment Research (IAB), the Research Centre of the Federal Office for Migration and Refugees (BAMF-FZ), and the German Socio-Economic Panel (SOEP) at the German Institute for...

Web-based interviewing is gradually replacing traditional modes of data collection, in particular telephone and mailed surveys. This global trend takes place despite the fact that established knowledge of its consequences on response error is incomplete. This paper studies differences between a...

In this paper we discuss the rationale for tracing non-original sample members (Non-OSMs) in household panel studies, and in particular in SOEP, and the implications for weighting. We present results on the incidence, survival rates, and thus the relevance of Non-OSMs in the SOEP