This paper studies behavior in experiments with a linear voluntary contributions mechanism for public goods conducted … 'contribution function' design allows us to obtain a view of subjects' behavior from two complementary points of view. It yields … situations where it is a dominant strategy to contribute nothing. Our results show, first, that differences in behavior across …

, contributions fluctuate on ahigh level until they decrease in the final periods. We interpret subjects'behavior in terms of … conditional cooperationwhich is characterized by both future-oriented and reactive behavior. …

. Cooperation in such games can be sustained as aNash equilibrium. Besides the efficient cooperative equilibrium there is alsothe … inefficient non-cooperative equilibrium. This paper investigatesexperimentally whether cooperation actually occurs in a simple …

national economic and political tissue, as well as to prepare for the accession in the EU, a regional cooperation and union is …