Internalities and paternalism: applying the compensation criterion to multiple selves across time |
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Authors: | Eric Rasmusen |
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Institution: | (1) Plant Biotechnology Division, National Institute for Biotechnology and Genetic Engineering, Faisalabad, Pakistan |
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Abstract: | One reason to call an activity a vice and suppress it is that it reduces a person’s future happiness more than it increases
his present happiness. Gruber and Koszegi (Q J Econ 116(4):1261–1303, 2001) show how a vice tax can increase a person’s welfare in a model of multiple selves with hyperbolic preferences across time.
The present paper shows that an interself analogy of the compensation criterion can justify a vice ban whether preferences
are hyperbolic or exponential, but subject to the caveat that the person has a binding constraint on borrowing. |
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