such positive spin? We use a theoretical model and a laboratory experiment to study the strategic use of vagueness in a … interval that contains her actual type. Theory predicts that when facing a possibly naive receiver, the sender discloses an … interval that separates her from worse types but is upwardly vague. Senders in the experiment adopt this strategy and some …

related testable predictions, and design an experiment based on a variant of the dictator game that tests for empirical …

theory, while sociological theories of social ties and intergroup comparisons suggest that bilateral cooperation can be … strengthened if there exist outsiders that gain from cooperative break down. We investigate this in a laboratory experiment …

external factors if they fail. They are too easily dissatisfied with their environment, which leads them to experiment in …

supported by the laboratory experiment, although those regarding individuals’ contribution decisions are consistent with the …

prediction in a lab experiment allowing us to cleanly separate the selection effect from other effects of low incentives. Results …

-comes. This paper contributes to solving this puzzle by means of a controlled laboratory experiment. We study the causal …

prosocial behavior. We conduct a large-scale online experiment where we add the possibility of purchasing insurance to safeguard …