Estimating the wage premium of collective wage contracts: : Evidence from longitudinal linked employer–employee data

• Autores: Nicole Gürtzgen
• Localización: Industrial Relations: A journal of Economy and Society, ISSN-e 1468-232X, Vol. 55, Nº. 2, 2016, págs. 294-322
• Idioma: inglés
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• Resumen

  • Using a large-scale linked employer–employee dataset from western Germany, this paper presents new evidence on the wage premium of collective bargaining contracts. In contrast to previous studies, we seek to assess the extent to which differences in wages between workers in covered and uncovered firms arise from the nonrandom selection of workers and firms into collective bargaining coverage. By measuring the relative wage changes of workers employed in firms that change contract status, we obtain estimates that depart considerably from previous results relying on cross-sectional data. Results from analyzing separate transitions show that leaving industry-level contracts is associated with subsequent wage losses. However, the results from a trend-adjusted difference-in-difference approach indicate that particularly the transitions to no coverage appear to be associated with negative shocks. Overall, our findings provide no evidence of a “true” wage effect of leaving wage bargaining, once we account for differences in pretransition wage growth.