We analyze the impact of within-task difficulty and complexity on workers' productivity in online labor markets. Using a randomized control quasi-experiment in AMT we are able to define the difficulty and complexity embodied in requested sub-tasks within a problem-solved task. We find that our...

This paper surveys the emerging economics literature on the relationship between employee training and firm performance. Most studies find very high returns to training, at least from the perspective of firms, indicating that the costs of training can be recouped in short periods of time. These...

This paper investigates the indirect economic impact of tuberculosis epidemic in one of the high-burden countries, focusing on the productivity at the individual level measured by the average wages and at firm level measured by the average total factor productivity (TFP). We use unique...

As work changes, firm-provided training may become more relevant for good economic and social outcomes. However, so far there is little or no causal evidence about the effects of training on firms. This paper studies a large training grants programme in Portugal, contrasting successful firms...