Schnabel, Claus; Wagner, Joachim - Institute for the Study of Labor (IZA) - 2008
union members are on average older than non-unionized employees. The probability of being unionized shows the inverted U …: Addison, J.T. /
Schnabel, C. (eds): International Handbook of Trade Unions. Cheltenham, 13-43.
Schnabel, C. / Wagner, J … international research center
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