We experimentally study the relationship between other-regarding preferences, group identity and political participation. In doing so, we propose a novel group identity induction procedure that succeeds in creating environments where in-group bias is either high or low. At the individual level,...

We experimentally study the strategic transmission of information in a setting where both cheap talk and money can be used for communication purposes. Theoretically a large number of equilibria exist side by side, in which senders either use costless messages, money, or a combination of the two....

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>