This paper reports about a randomized experiment in which training vouchers of €1000 were given to low-skilled workers. The vouchers increase training participation by almost 20 percentage points in two years, relative to a base rate of 0.45. This increased participation comes at a substantial...

When workers' investments in firm-specific skills are non-contractible underinvestment may occur because of holdup. Up-or-out contracts can potentially solve this problem by limiting the firm's scope for opportunistic behavior. The downside of such contracts is that a worker who does not make...

This paper reports about a field experiment conducted to estimate the impact of the share of women in business teams on their performance. Teams consisting of undergraduate students in business studies start up a venture as part of their curriculum. We manipulated the gender composition of teams...