We analyze the distribution and concentration of market incomes in Germany in the period 1992 to 2001 on the basis of an integrated data set of individual tax returns and the German Socio-Economic Panel. The unique feature of this integrated data set is that it encompasses the whole spectrum of...

We analyze the link between R&D, innovation, and productivity in MSMEs with a special focus on micro firms with fewer than 10 employees; usually constituting the majority of firms in industrialized economies. Using the German KfW SME panel, we examine to what extent micro firms are different...

We study the impact of broadband availability on firms’ total factor productivity (TFP) using German firm-level data between 2010 and 2015. We adopt a control function approach to causally identify and separately estimate productivity for 46 two-digit manufacturing and service sectors. Over...

The definition and operationalization of wealth information in population surveys and the corresponding microdata requires a wide range of more or less normative assumptions. However, the decisions made in both the pre- and post-data-collection stage may interfere considerably with the...

Contents: 1 Development of sample sizes 2 1.1 Development of the number of successful interviews by cross-section 2 1.2 Longitudinal development of losses due to panel attrition 10 1.3 Entrants by birth or move-ins and their participation behavior 14 2 Losses due to unsuccessful follow-up 15 2.1...

Die vierteljährliche volkswirtschaftliche Gesamtrechnung (VGR) ist das wichtigste Analyse- und Prognose-Instrument des Konjunkturforschers. Das DIW stellt dafür schon seit vielen Jahren - in Ergänzung zu den Daten des Statistischen Bundesamtes (StaBu) - ein geschlossenes Kreislaufsystem zur...

High and persistent unemployment rates and increasing awareness of environmental degradation in many industrial countries have promoted the interest in the labour market effects of environmental policy. Environmental labour market analysis is fraught with many difficulties, however. Being...

The paper provides information on sample sizes and panel attrition in the German Socio-Economic Panel (GSOEP) for the years 1984-1999. Furthermore, results of the sequential estimation of non-response probabilities for the different subsamples of the GSOEP are described in detail.