In this paper we develop a theory of union bargaining power based on firm-specific skills acquired by the insider work-force. We show that unions increase the bargaining power of insiders only in states of the world in which the firm would like to retain insiders but not hire outsiders. Union...

We look at the effect of tax progression in imperfect labour markets. The models considered are union models, an equilibrium search model with wage bargaining, an equilibrium search model with wage posting by firms and efficiency wage models. We find that in all basic models, an increase in tax...

We analyze to what extent skill heterogeneity in the labor market with different wage formation mechanisms can explain the features of the Spanish labor market. The model assumes two types of workers with differences in skills. Skilled labor sets wages in an efficiency way while unskilled labor...

The paper surveys unemployment policies for advanced market economies and evaluates them by examining the predictions of the underlying macroeconomic theories. The basic idea is that, for the most part, different unemployment policy prescriptions rest on different macroeconomic theories, and our...

This paper uses the British Household Panel Survey to investigate when seniority is rewarded by automatic incremental scales. Scales are seen as an alternative to individual merit pay. They are likely to be used when individual productivity is hard to measure, when firms provide all workers with...

Recent research in macroeconomics emphasizes the role of wage rigidity in accounting for the volatility of unemployment fluctuations. We use worker-level data from the CPS to measure the sensitivity of wages of newly hired workers to changes in aggregate labor market conditions. The wage of new...

The paper reviews the recent evolution of leniency programs for cartels in the US and EU, surveys their theoretical economic analyses, and discusses the empirical and experimental evidence available, also looking briefly at related experiences of rewarding whistleblowers in other fields of law...

This paper develops a theory of employment guarantees when labor markets are imperfect and when the credibility of government policy announcements could be in doubt. The basic feature of an EGS is that any individual who satisfies a set of specified criteria is guaranteed public employment at a...

We develop a theoritical model where child labour results from a household’s trade-off between sending a child to school or to work. Education is considered as a risky investment, since the survival of the child is not certain. We explore the effects of public expenditure on education and...

We characterize optimal incentive contracts in a moral hazard framework extended in two directions. First, after effort provision, the agent is free to leave and pursue some ex-post outside option. Second, the value of this outside option is increasing in effort, and hence endogenous. Optimal...