Publications of the Research Unit Labour Markets and Social Insurance

  1. ZEW Discussion Paper No. 03-64 // 2003

    Semiparametric Estimation of Regression Functions Under Shape Invariance Restrictions

    This paper considers the shape invariant modelling approach in semiparametric regression estimation. Nonparametric functions of similar shape are linked by parametric transformations with unknown parameters. A…

  2. ZEW Discussion Paper No. 03-57 // 2003

    The Impact of Training on Earnings – Differences Between Participant Groups and Training Forms

    While there is a broad literature on the general wage effect of training, little is known about the effects of different training forms and about the effects for heterogeneous training participants. This study…

  3. ZEW Discussion Paper No. 03-49 // 2003

    Do Fixed-Term Contracts Increase the Long-Term Employment Opportunities of the Unemployed?

    The paper investigates whether (unsubsidised) fixed-term contracts (FTCs) are a means of integration for the unemployed in the West German labour market. This is done by analysing whether entering into an FTC…

  4. ZEW Discussion Paper No. 03-47 // 2003

    Works Councils and the Productivity Impact of Direct Employee Participation

    This paper measures the productivity impact of management-led participative establishment practices. On the basis of a representative German establishment data set, the IAB establishment panel, the study finds…