? To answer this question, we conducted a two-stage 2x2 experiment. In the first stage, we used a Deception Game to measure …

paper we present the results of an experiment on the influence of private payoff information and the role of the available …

conflicts. A first experiment shows that a between-group conflict leads to within-group cooperation and particularly individuals … second experiment reveals that prosocials' contributions to the group-specific or collective good vary as a function of the …

; and, as a behavioural indicator of disapproval, punishment. Our findings are that, for a given pattern of contributions …, neither punishment nor emotion depends on the Give versus Take framing that we manipulate. To this extent, they suggest that … the social preferences we observe are robust to framing effects. -- framing effects ; punishment ; emotions ; public goods …

efforts", exerted by the subjects during the experiment itself. An important open question is how these two strands of …