According to the accountability principle a person’s fair allocation takes into accountthe input-relevant variables she can influence, like effort, but not the variablesshe cannot influence, like a randomly assigned exogenous factor. This study is basedon a real effort-task experiment, where...

We experimentally show that current models of reciprocity are in-complete in a systematic way using a new variant of the ultimatumgame that provides second-movers with a marginal-cost-free punish-ment option. For a substantial proportion of the population, the de-gree of first-mover unkindness...

In generosity games, one agreement payo is exogenously given,whereas the other is endogenously determined by the proposer's choice of the"pie" size. This has been shown to induce pie choices which are either efficiencyor equality seeking. In our experiment, before playing the generosity...

We investigate whether Swedish Environmental Protection Agency (EPA) administrator recommendations regarding improvements in environmental quality differ from citizen preferences. The scope and significance of the possible difference are assessed by conducting identical choice experiments on a...

We use a two-person public goods experiment to distinguish betweene±ciency and fairness as possible motivations for cooperative behavior.Asymmetric marginal per capita returns allow only the high-productivityplayer to increase group payo®s when contributing positive amounts....

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...

We examine the degree of trust and reciprocity in an experimental trust game with 662 participants from six different age groups, ranging from 8 year old primary school children to retired persons in their late sixties. (...)

We examine experimentally two different types of trust: trust in another party's cooperation and trust in ability. In the cooperation condition, player A sends x {0, X} to player B. The amount x is multiplied by c = 3, and B can return y {0,3x}. (...)

In the experiment two bureaucrats independently can grant a permit with the profit of the private party depending on when the permit is given. Whereas one bureaucrat can only veto the project, the second one has additional discretion in granting the permit earlier or later. (...)

Recent research has cast some doubt on the general validity of outcome-basedmodels of social preferences. We develop a model based on cognitive dissonance thatfocuses on the importance of self-image. An experiment (a dictator game variant)tests the model.First, we nd that subjects whose choices...