This discussion paper resulted in an article in the 'Economic Journal (2007). Volume 117, issue 522, pages 1025-1050.<P> One of the main findings of a large body of gift exchange experiments is that in an incomplete contracts environment workers on average do not shirk and usually provide more than...</p>

This discussion paper resulted in a publication in <A href="http://www.sciencedirect.com/science/article/pii/S0899825611000571">'Games and Economic Behavior'</A>, 73(2), 573-94.<p>We consider repeated trust game experiments to study the interplay between explicit and relational incentives. After having gained experience with two payoff variations of the trust game, subjects in...</p></a>

This paper provides evidence about the effects of dismissals-for-cause requirements, aspecific component of employment protection legislation that has received little attentiondespite its potential relevance. We study a quasi-natural experiment generated by a lawintroduced in Portugal in 1989:...

This paper proposes a simple social network model of occupational segregation, generated by the existence of inbreeding bias among individuals of the same social group. If network referrals are important in getting a job, then expected inbreeding bias in the social structure results in different...