Convergent evidence for detrimental effects of punishment on cooperation has been obtained in a wide variety of … environments, ranging from American students facing punishment in laboratory experiments, to Israeli parents facing fines for … detrimental effects. In a public goods game, privately implemented punishment reduces cooperation in relation to a baseline …

instead of damaging it. Stable cooperation would need the acceptance that the partner may pursue his own goals, which might be … verlässliche Kooperation setzt dabei die Akzeptanz voraus, dass der Partner seine eigenen Ziele verfolgt, die durchaus verschieden …

als Determinanten der sozialen Wohlfahrt. Die bedingte Kooperation der Gruppenmitglieder sowie das gegenseitige … Individuen in identitäts-homogenen Gruppen (In-Group) die Präferenz für eine höhere bedingte Kooperation und weniger … Erwartungen an die Kooperation der Mitglieder in einer In-Group als an die in einer Out-Group Wohlfahrtsgewinne in homogenen …

altruism, and (3) the possibility of sustained mutual cooperation in finitely repeated social dilemmas is affected by the …

." Public Choice, 117, 2003, 295-315."Understanding cooperation in the context of social dilemma games is fundamental to … the contest of two-person social dilemma games. In addition, we examine data from experiments and survey instruments that …

. The second contribution to the concern is through a set of results (Section 4) from field experiments conducted in actual …

for same-function alliances, but not for cross-function alliances. We test these equilibrium predictions in an experiment …