concerns. When controlling for both worker and firm heterogeneity and instrumenting for concentration, we find that wages are …

job levels and human capital as wage determinants, the dispersion of wages within job levels, the importance of tenure in … levels and a tight relationship between human capital variables and wages. …

We investigate the impact of labour market concentration on two dimensions of job quality, namely wages and job … and local product market concentration, we show that the elasticities of wages with respect to labour market concentration … are strikingly similar across countries: increasing labour market concentration by 10% reduces wages by 0.19% in Germany …