Publications of the Research Unit Labour Markets and Social Insurance

  1. ZEW Discussion Paper No. 11-033 // 2011

    Human Capital Investment Strategies in Europe

    Economists study the formation of human capital over the life cycle and its welfare consequences. Teaching is regarded as the major channel for fostering skills and human capital. According to political rhetoric…

  2. Discussion and Working Paper // 2011

    The Importance of Cognitive and Social Skills for the Duration of Unemployment

    This paper studies how cognitive and social skills in childhood are related to the duration of unemployment in adolescence and early adulthood. I estimate a flexible proportional hazard rate model for the…

  3. Refereed Journal // 2011

    Disconnected Young Adults in Germany: Initial Evidence

    Disconnectedness among young adults can have several dimensions. From a socio-economic viewpoint, failure in school, unemployment and the lack of a partner are among the most important ones. In our sample of…

  4. ZEW Discussion Paper No. 11-023 // 2011

    Dips and Floors in Workplace Training: Using Personnel Records to Estimate Gender Differences

    Life-long learning is considered necessary to sustain employability at older age in light of continuous changes in the labor market. Nevertheless, it is a challenge to sustain the training of employees…

  5. ZEW Discussion Paper No. 11-017 // 2011

    Effects of Age at School Entry (ASE) on the Development of Non-Cognitive Skills: Evidence from Psychometric Data

    In this paper, we examine how school enrollment at a relatively younger or older age in relation to age-based cut-off dates for school entry affects the development of non-cognitive skills. Specifically, we…

  6. ZEW Discussion Paper No. 11-015 // 2011

    Clustering Life Trajectories - A New Divisive Hierarchical Clustering Algorithm for Discrete-valued Discrete Time Series

    The goal of clustering is to partition the objects (here: persons) into groups which ideally should be homogenous and well-separated (i.e. low within-group and high between-groups heterogeneity). In the context…

  7. ZEW Discussion Paper No. 11-013 // 2011

    Combined Stochastic and Rule-based Approach to Improve Regression Models with Mismeasured Monotonic Covariates Without Side Information

    The education variable in the IAB datasets suffers from problems like missing and misclassified values. The data problems do not occur randomly, but are highly associated with other variables from the dataset.…