One of the most salient and relevant dimensions of team heterogeneity is ethnicity. We measure the impact of ethnic diversity on the performance of business teams using a field experiment. We follow 550 students who set up 45 real companies as part of their curriculum in an international...

This study investigates the extent of labour market competition among native Dutch workers and ethnic minorities, using national survey of the SEO and the Population statistics of the CBS. Firstly, the direct effect of immigrants on local labour markets is considered. It is shown that ethnic...

This study investigates the extent of labour market competition among nativeDutch workers and ethnicminorities, using national survey of the SEO and the Population statistics ofthe CBS. Firstly, the directeffect of immigrants on local labour markets is considered. It is shown thatethnic...

Availability of (partial) insurance mechanisms is arguably important for the decision of (riskaverse) workers to start up a risky entrepreneurial venture. Using administrative data from Denmark, where unemployment insurance (UI) is available to both wage earners and self-employed on a voluntary...

We study entrepreneurs’ behavioral responses of effort (moral hazard) to avoid business failure.This is done in the context of an unemployment insurance scheme for self-employed, wherewe estimate how much of the transition probability to unemployment can be causally attributedto being insured....

We study risk behavior of Danish self-employed entrepreneurs, whose income risk may be driven by both exogenous factors and effort choice (moral hazard). Partial insurance is available through voluntary unemployment insurance (UI). Additional incentives to sign insurance contracts stem from a...

This discussion paper resulted in an article in <I>Management Science</I>. Volume 59 issue 7, pages 1514-1528.<P> This paper reports on 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...</p></i>

This paper studies the impact of diversity in cognitive ability among members of a team on their performance. We conduct a large field experiment in which teams start up and manage real companies under identical circumstances. Exogenous variation in - otherwise random - team composition is...