Empirical studies find that the age-variance profile of wages is U-shaped. The objective of this paper is to explore the driving forces of the U-shape in a model with search frictions. I introduce endogenous search effort and a fixed retirement age into Cahuc, Postel-Vinay, and Robin s (2006)...

This paper indicates that the extent of collective bargaining coverage in an industry may depend on the differences in firms productivity levels within the industry. Less pronounced differences in productivity levels make it easier to design collective wage contracts that are accepted by a wider...

We study sequential bargaining between two unions and a single firm. Parties bargain bilaterally and efficiently (over wage and employment). The unions' workforces can be substitutable ("tariff competition") or complementary ("tariff plurality" or "craft unionism"). If unions are substitutable,...

This paper gives a detailed analysis of the perspectives of workers with low qualifications in Germany under the twofold pressures of globalization and technological change. First, alternative explanations for the skill-bias in the development of labour demand are discussed, with particular...