We report on a research program that employs the indirect evolutionary approach to analyze how the institutional environment drive the evolution of trust and trustworthiness through the evolution of moral preferences, and how in turn the evolution of preferences shapes the evolution of the...

Evolutionary game theory is often used to analyze the evolution of moral preferences. A few studies also examine the co-evolution of preferences and an institutional aspect of the environment. Allowing the adaption of just one institutional aspect such as litigation or legal insurance to...

In the experiment two bureaucrats independently can grant a permitwith the profit of the private party depending on when the permit is given.Whereas one bureaucrat can only veto the project, the second one hasadditional discretion in granting the permit earlier or later. We speakof greasing when...

Threat power is the ability to impose a great loss on someone else at relativelylow own cost and can be measured by the ratio of other’s and own loss. It can bevaried by assuming that rejecting an ultimatum reduces the payoff of the proposerto its lambda–share and that of the responder to...

In this paper we study information revelation on asset markets with endogenousand exogenous information. Our results indicate that superior informationcan only be exploited in the beginning of trading. Information disseminateson the market and informational advantages are counter-balancedover...

Similar to Levati and Neugebauer (2001), a clock is used by which participantscan vary their individual contributions for voluntarily providing apublic good. As time goes by, participants either in(de)crease their contributiongradually or keep it constant. Groups of two poorly and two...