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Who are the workers who never joined a union? : Empirical evidence from Western and Eastern Germany
Schnabel, Claus, (2006)
Higher Wages in Exporting Firms : Self-Selection, Export Effect, or Both? First Evidence from German Linked Employer-Employee Data
Schank, Thorsten, (2008)
German Works Councils Old and New: Incidence, Coverage and Determinants
Addison, John T., (2003)