Publications of the Research Unit Labour Markets and Social Insurance

  1. ZEW Discussion Paper No. 14-125 // 2014

    The Sorting of Female Careers After First Birth: A Competing Risks Analysis of Maternity Leave Duration

    A number of contributions have found evidence for motherhood being a critical life event for women's employment careers. This study presents a detailed model for the duration of maternity leave in which young…

  2. ZEW Discussion Paper No. 14-113 // 2014

    Age and Skill Bias of Trade Liberalisation? Heterogeneous Employment Effects of EU Eastern Enlargement

    This study analyses the 2004 Eastern Enlargement to the European Union to obtain evidence on the employment effects of an increase in trade liberalisation. The Enlargement is thought to generate a trade-induced…

  3. ZEW Discussion Paper No. 14-109 // 2014

    Maternity Leave and Mothers' Long-Term Sickness Absence - Evidence from Germany

    Exploiting unique German administrative data, we estimate the association between an expansion in maternity leave duration from two to six months in 1979 and mothers’ post-birth long-term sickness absence over a…

  4. ZEW Discussion Paper No. 14-097 // 2014

    Knowing that You Matter, Matters! The Interplay of Meaning, Monetary Incentives, and Worker Recognition

    We manipulate workers’ perceived meaning of a job in a field experiment. Half of the workers are informed that their job is important, the other half are told that their job is of no relevance. Results show that…

  5. ZEW Discussion Paper No. 14-096 // 2014

    A Field Experiment in Motivating Employee Ideas

    We study the effects of a field experiment designed to motivate employee ideas, at a large technology company. Employees were encouraged to submit ideas on process and product improvements via an online system.…

  6. ZEW Discussion Paper No. 14-089 // 2014

    Are There Long-Term Earnings Scars From Youth Unemployment in Germany?

    We analyze the relationship between early-career unemployment and prime-age earnings with German administrative linked employer-employee data. The careers of more than 720,000 male apprenticeship graduates from…

  7. ZEW Discussion Paper No. 14-088 // 2014

    Physical Activity of Adults: A Survey of Correlates, Determinants, and Effects

    We survey the literature on the link of labour market related outcomes to individ-ual physical activity and sports participation. The first part of the survey is devoted to the individual participation decision…

  8. ZEW Discussion Paper No. 14-082 // 2014

    The Generalized Roy Model and the Cost-Benefit Analysis of Social Programs

    The literature on treatment effects focuses on gross benefits from program participation. We extend this literature by developing conditions under which it is possible to identify parameters measuring the cost…