Provided that the literature on the deterrent effect of capital punishment is overall inconclusive, the fact that … derive such diverging results by slightly changing the specification of the test equations without violating scientific … deterrence studies published between 1975 and 2011. The profession of the author turns out to be the only statistically …

support the deterrence hypothesis. Moreover, we also point to some puzzles which have not been satisfactorily solved so far …

heterogeneous groups. When punishment is not allowed all groups converge towards free-riding. With punishment, contributions … that these differences are not accidentally but enforced by punishment. The enforced contribution norms are related to …

they want to play. In this paper we conduct an experimental test of the decision to choose between a “tipping” game, in …

predicted, we find in a laboratory public goods experiment a robust association between stronger self-control and higher levels …

a punishment regime, in which certain individuals are permitted, but not required, to have punishment directed toward … them. The punishment system can condition on type and contribution history. The results indicate that the most effective … regime, in terms of contributions and earnings, is one that allows punishment of low contributors only, regardless of …