We investigate experimentally whether emotions affect bidding behavior in a firstprice auction. To induce emotions, we confront subjects after a first auction series with apositive or negative random economic shock. We then explore the relation between emotions andbidding behavior in a second...

Explaining the evolution and maintenance of cooperation among unrelated individuals is one of the fundamental problems in biology and the social sciences. Recent experimental evidence suggests that altruistic punishment is an important mechanism to maintain cooperation among humans. In this...

This discussion paper led to a publication in <A href="http://www.springerlink.com/content/n3w45lxj307m883m/">'Public Choice'</A> 109(3-4) 371-94.<P>In this paper we investigate experimentally the functioning of a wage tax financed unemployment benefit system on the development of the budget deficit, unemployment, and some other indicators of economic performance...</p></a>

This discussion paper has resulted in the publication (2007) 'Order without law? Experimental evidence on voluntary cooperation and sanctioning', 2007, <I>KritV - Kritische Vierteljahresschrift fur Gesetzgebung und Rechtswissenschaft</I>, 90, 1-2, 140-155.In this paper we discuss experimental evidence...</i>