A real-effort experiment is conducted in order to detect preferences for one of three different models of Welfare State characterized by different schemes of tax-and-transfers. Experimental subjects have to choose (both under and without veil of ignorance concerning their position in the society...

Jekyll and Hyde were in fact two people inside the same person - an obviously dynamically-inconsistent person. In the book and in the movie, the dynamic inconsistency was resolved in a rather dramatic way. We investigate its resolution in the laboratory.