On Pareto-improving redistributions of aggregate economic gains |
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| Institution: | 1. LAMETA – INRA – CNRS – SupAgro-Univ. Montpellier, 2 place Viala, 34060 Montpellier, France;2. IESEG School of Management – LEM – CNRS, 3 rue de la Digue, 59000 Lille, France;3. CIRED–CNRS–EHESS–Ecole des Ponts ParisTech, 45 bis avenue de la Belle-Gabrielle, 94736 Nogent Sur Marne Cedex, France;1. Department of Economics, University of St. Gallen, Switzerland;2. Department of Economics, Bar-Ilan University, Israel;1. Dept. of Economics, University College London, United Kingdom;2. Dept. of Economics, Royal Holloway University of London, United Kingdom;3. University of Trieste, Italy;4. Dept. of Economics, University of Essex, United Kingdom;5. University of Venice, Italy;6. Dept. Teoría e Historia Económica, Universidad de Málaga , Spain;1. Google Research, Brain Team, the Netherlands;2. Utrecht University, the Netherlands;3. University of Luxembourg, Luxembourg;4. Stanford University, CA, USA;5. University of Maryland, MD, USA |
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| Abstract: | This paper considers the existence and characterization of directions of tariff, commodity tax, and transfer payment reforms to ensure a Pareto improvement following a change in the economy's endowments, technology, preferences, or trading possibilities. Motzkin's theorem on the existence of solutions to dual sets of linear inequalities is extended to the case of non-homogeneous systems, and is applied to the comparative statics of the general equilibrium of a large trading economy. By allowing free disposal of commodities to the government, the problem of temporary inefficiency is eliminated. |
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