Are entrepreneurs liquidity constraint? Using quasi-random housing wealth variation resulting from communist era decisions, we argue yes, as we find that wealthier East Germans are more likely to become self-employed after reunification. In the literature, no such strong relationship was found...

To investigate the external validity of laboratory results, we combine a public good experiment with three treatments in a field experiment. One treatment offers the opportunity to free-ride, the other two are placebo treatments. We compare results within subjects. In the free-riding treatment,...