Choosing between selfish and non-selfish behavior in real life is a repeated decision with var-ying time spans between repetitions. To learn more about the dynamics of altruistic behavior, we use repeated standard dictator experiments. The dynamics of prosocial behavior in these experiments...

According to the model of HOEL (1991), a unilateral emissions abatement of a global pollutant leads to lower aggregated emissions in a game with a simultaneous decision protocol. Our experiment tests the Hoel model and examines the question of whether a leader can induce additional abatement of...

Der demographische Wandel stellt die deutsche Rentenpolitik vor große Herausforderungen. Mit dem Renten­eintritt der Babyboomer-Generation werden immer mehr Rentenempfänger immer weniger Beitragszahlern gegenüberstehen. Um die Lasten gleichmäßiger auf die verschiedenen Generationen zu...

Since Mancur Olson's "Logic of collective action" it is common conviction in social sciences that in large groups the prospects of a successful organization of collective actions are rather bad. Following Olson's logic, the impact of an individual's costly contribution becomes smaller if the...