This paper reports on the results of an experiment testing whether the agents selfselect between a competitive payment scheme and a revenue-sharing scheme depending on their inequity aversion. Average efficiency should be increased when these payment schemes are endogenously chosen by agents. We...

The main question raised in this paper is whether GPs should self select their payment mechanism or not. To answer it, we model GPs' behavior under the most common payment schemes (capitation and fee-for-service) and when GPs can select one among those. Our analysis considers GPs heterogeneity...