This paper studies the link between working hours and productivity using daily information on working hours and performance of a sample of call centre agents. We exploit variation in the number of hours worked by the same employee across days and weeks due to central scheduling, enabling us to...

In this paper, we estimate tenure-performance profiles using unique panel data that contain detailed information on individual workers' performance. We find that a 10 per cent increase in tenure leads to an increase in performance of 5.5 per cent of a standard deviation. This translates to an...

To estimate the causal effect of employment protection on firms' worker selection, we study a policy change that reduced dismissal costs for the employers of over a tenth of Sweden's workforce. Our difference-in-differences analysis of firms' hiring uses individual ability measures including...