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>

In this paper we discuss experimental evidence for two different institutional approaches to a possible resolution of the fundamental conflict between social welfare maximization and individual utility maximization. The basic workhorse for modelling this conflict is the voluntary contribution of...