Publications of the Research Unit Labour Markets and Social Insurance

  1. ZEW Discussion Paper No. 09-062 // 2009

    The ZEW Combined Microsimulation-CGE Model: Innovative Tool for Applied Policy Analysis

    Ex ante evaluation of policy reform proposals in general relies either on microsimulation models or computable general equilibrium (CGE) models. This paper describes how the Centre of European Economic Research…

  2. Contributions to Edited Volumes and Conference Proceedings // 2009

    Predictive Classification Trees

    CART (Breiman et al., Classification and Regression Trees, Chapman and Hall, New York, 1984) and (exhaustive) CHAID (Appl Stat 29:119–127, 1980) figure prominently among the procedures actually used in data…

  3. ZEW Discussion Paper No. 09-044 // 2009

    Decreasing Wage Mobility in Germany

    Cross-section inequality increased in the last decade in Germany. Wage mobility can at least partly offset the increase in cross-section inequality and thus leads to a better understanding of inequality and…

  4. ZEW Discussion Paper No. 09-043 // 2009

    Wage Insurance within German Firms: Do Institutions Matter?

    Drawing on a large-scale German Linked Employer- Employee data set, this paper studies the extent to which employers insure workers against firm-level shocks. Particular emphasis is given to the question of…

  5. Non-Refereed Journal // 2009

    Mikroökonomische Wirkungs- und Effizienzanalyse: Ergebnisse aus dem Untersuchungsfeld 3

    This article summarizes the results of the evaluation of the Experimentation Clause in § 6c SGB II. In particular, it compares the success of consortia and municipal authorities to activate welfare recipients.

  6. ZEWnews English edition // 2009

    No. 3 - 2009

  7. Refereed Journal // 2009

    Why Do Firms Train Apprentices? The Net Cost Puzzle Reconsidered

    Almost all papers on the motivation of German firms to train apprentices take as a stylised fact that training firms have to incur net costs. This notion stems practically from one source only - a series of…