This paper studies how imposing norms on contribution behavior affects individuals' intrinsic motivation. We consider … legally a tax. We design a randomized field experiment with treatments informing individuals that the levy is a tax. We …, communicating the legal norm results in a significant crowd-out of intrinsic motivation. In contrast, strongly intrinsically …

This paper reports on an experiment of corruption that was conducted in two treatments: one with the possibility of … intrinsic motivation for honesty. Thus the net effect on overall corruption is a priori undetermined. We show that the salary … loyalty effect. Interesting policy conclusions emerge. -- corruption ; gender ; intrinsic motivation ; reciprocity …