We compare information on the length of unemployment spells contained in the IAB employment subsample (IABS) and in the German Socio-Economic Panel (GSOEP). Due to the lack of information on registered unemployment in the IABS, we use two proxies of unemployment in the IABS as introduced by...

Mit dem Ziel die technologische Wettbewerbsfähigkeit zu steigern, investieren die Staaten der OECD jährlich beträchtliche Summen in die Förderung von Forschungs- und Entwicklungsaktivitäten (FuE). Angesichts knapper öffentlicher Budgets ist der Effektivität und Effizienz dieser Förderung...

The education variable in the IAB employment subsample has two shortcomings : missing values and inconsistencies with the reporting rule. We propose several deductive imputation procedures to improve the variable. They mainly use the multiple education information available in the data because...

In Germany, the medium-term financial planning ("Mifrifi") was introduced at the end of the sixties. This study scrutinizes the experience of the German Bund with more than thirty years of financial planning. In the first step, the paper explores the potential normative and political-economic...

This paper presents evidence on the development of educational attainment and its returns on the labor market in Germany in the time period 1985-2002. Returns to education are estimated using Mincer equations. We analyze microcensus data in addition to GSOEP data, which allows estimating returns...

Student performance of Germans and immigrants differed greatly in the 2000 PISA study. This paper analyses why the two groups of students performed so differently by estimating educational production functions, using an extension study with imputed data. The difference in the test scores is...

In many situations the applied researcher wants to combine different data sources without knowing the exact link and merging rule. This paper introduces a theoretical framework how two different regional administrative data sources can be merged. It presents different merging schemes based on...

Previous empirical studies of job creation schemes in Germany have shown that the average effects for the participating individuals are negative. However, we find that this is not true for all strata of the population. Identifying individual characteristics that are responsible for the effect...

This paper analyzes the determinants of R&D co-operation among German manufacturing firms. Using firm level data from the Third Community Innovation Survey from Germany, we focus on the role of spillovers in explaining R&D cooperation. We also investigate firms? decisions to cooperate with...