"Most models on centralization in wage setting rest on the assumption of identical firms. This stands in sharp contrast to informal statements against centralization wich rest on the argument that firms are heterogenous and that equal treatment of firms by unions must therefore be ineffcient. We...

"Often the high level of unemployment in Germany is explained by a lack of flexibility, over-regulation in the labour market and disincentives of the social security system. However, these institutional effects are difficult to test by means of data from only one country. Cross-country...

This paper develops a dynamic general equilibrium dual labour market model which incorporates both efficiency wages and union bargaining with monopolistically competitive firms. In one sector, a traditional sector produces a homogeneous good and firms face perfect competition on the product...