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

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  • Guertzgen, Nicole

Abstract

Using a large-scale linked-employer-employee data set 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 non-random 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 analysing separate transitions show that leaving industry-level contracts is associated with subsequent wage losses. However, the results from a trendadjusted difference-in-difference approach indicate that the 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 differences in pre-transition wage growth are accounted for.

Suggested Citation

  • Guertzgen, Nicole, 2012. "Estimating the wage premium of collective wage contracts: Evidence from longitudinal linked employer-employee data," ZEW Discussion Papers 12-073, ZEW - Zentrum für Europäische Wirtschaftsforschung / Center for European Economic Research.
  • Handle: RePEc:zbw:zewdip:12073
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    Cited by:

    1. John T. Addison & Arnd Kölling & Paulino Teixeira, 2014. "Changes in Bargaining Status and Intra-Plant Wage Dispersion in Germany. A Case of (Almost) Plus Ça Change?," GEMF Working Papers 2014-15, GEMF, Faculty of Economics, University of Coimbra.
    2. Andréasson, Hannes, 2014. "The effect of decentralized wage bargaining on the structure of wages and firm performance," Ratio Working Papers 241, The Ratio Institute.

    More about this item

    Keywords

    Union Wage Premium; Collective Bargaining Coverage;

    JEL classification:

    • J31 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Wage Level and Structure; Wage Differentials
    • J51 - Labor and Demographic Economics - - Labor-Management Relations, Trade Unions, and Collective Bargaining - - - Trade Unions: Objectives, Structure, and Effects

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