See 'On-The-Job Search, Mismatch and Efficiency', forthcoming in the 'Review of Economic Studies'.

Labor market theories allowing for search frictions make marked predictions on the effect of the degree of frictions on wages. Often, the effect is predicted to be negative. Despite the popularity of these theories, this has never been tested. We perform tests with matched worker-firm data. The...

This paper studies wage structure characteristics and their incentive effects within one firm. Based on personnel records and an employee survey, we provide evidence that wages are attached to jobs and that promotions play a dominant role as a wage determinant. We furthermore show that a...

This article analyzes under which conditions a manager can motivate a junior worker by verbal communication, and explains why communication is often tied up with organizational choices as job enlargement and collaboration. Our model has two important features. First, the manager has more...

Alphabetic name ordering on multi-authored academic papers, which is the convention in the