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Unit Versus Ad Valorem Taxes : Monopoly In General Equilibrium

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Author Info

  • Blackorby, Charles

    (Department of Economics, University of Warwick and GREQAM)

  • Murty, Sushama

    (Department of Economics, University of Warwick)

Abstract

We show that if a monopoly sector is imbedded in a general equilibrium framework and profits are taxed at one hundred percent, then unit (specific) taxation and ad valorem taxation are welfare-wise equivalent. This is contrary to all known claims.

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File URL: http://www2.warwick.ac.uk/fac/soc/economics/research/workingpapers/2006/twerp_761.pdf
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Bibliographic Info

Paper provided by University of Warwick, Department of Economics in its series The Warwick Economics Research Paper Series (TWERPS) with number 761.

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Length: 18 pages
Date of creation: 2006
Date of revision:
Handle: RePEc:wrk:warwec:761

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Keywords: Ad valorem taxes ; unit taxes ; monopoly;

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References

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  1. Guesnerie Roger & Laffont Jean-jacques, 1978. "Taxing price makers," CEPREMAP Working Papers (Couverture Orange) 7806, CEPREMAP.
  2. Delipalla, Sofia & Keen, Michael, 1992. "The comparison between ad valorem and specific taxation under imperfect competition," Journal of Public Economics, Elsevier, vol. 49(3), pages 351-367, December.
  3. Skeath, Susan E. & Trandel, Gregory A., 1994. "A Pareto comparison of ad valorem and unit taxes in noncompetitive environments," Journal of Public Economics, Elsevier, vol. 53(1), pages 53-71, January.
  4. Peter A. Diamond & J. A. Mirrlees, 1968. "Optimal Taxation and Public Production," Working papers 22, Massachusetts Institute of Technology (MIT), Department of Economics.
  5. Blackorby, C. & Donaldson, D., 1995. "Market demand Curves and Dupuit-Marshall Consumer's Surpluses: A General Equilibrium Analysis," G.R.E.Q.A.M. 97a24, Universite Aix-Marseille III.
  6. Blackorby, Charles & Murty, Sushama, 2006. "Unit Versus Ad Valorem Taxes : Monopoly In General Equilibrium," The Warwick Economics Research Paper Series (TWERPS) 761, University of Warwick, Department of Economics.
  7. Diewert, W. E. & Avriel, M. & Zang, I., 1981. "Nine kinds of quasiconcavity and concavity," Journal of Economic Theory, Elsevier, vol. 25(3), pages 397-420, December.
  8. Michael Keen, 1998. "The balance between specific and ad valorem taxation," Fiscal Studies, Institute for Fiscal Studies, vol. 19(1), pages 1-37, February.
  9. Ben Lockwood, 2004. "Competition in Unit vs. Ad Valorem Taxes," International Tax and Public Finance, Springer, vol. 11(6), pages 763-772, November.
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Citations

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Cited by:
  1. Clément Carbonnier, 2011. "Shifting on prices of per unit and ad valorem consumption taxes," Working Papers halshs-00872477, HAL.
  2. Ramón Torregrosa, 2008. "Macroeconomic effects of an indirect tax substitution," Journal of Economics, Springer, vol. 94(3), pages 199-221, September.
  3. Clément Carbonnier, 2011. "Shifting on prices of per unit and ad valorem consumption taxes, estimation on prices of alcoholic beverages in France," THEMA Working Papers 2011-20, THEMA (THéorie Economique, Modélisation et Applications), Université de Cergy-Pontoise.
  4. Laszlo Goerke, 2011. "Commodity Tax Structure under Uncertainty in a Perfectly Competitive Market," CESifo Working Paper Series 3339, CESifo Group Munich.
  5. Goerke, Laszlo, 2011. "The optimal structure of commodity taxation in a monopoly with tax avoidance or evasion," University of Tuebingen Working Papers in Economics and Finance 8, University of Tuebingen, Faculty of Economics and Social Sciences.
  6. Philipp Schröder & Allan Sørensen, 2010. "Ad valorem versus unit taxes: monopolistic competition, heterogeneous firms, and intra-industry reallocations," Journal of Economics, Springer, vol. 101(3), pages 247-265, November.
  7. Charles Blackorby & Sushama Murty, 2010. "Unit Versus Ad Valorem Taxes: The Private Ownership of Monopoly In General Equilibrium," Discussion Papers 1011, Exeter University, Department of Economics.
  8. Lapan, Harvey E. & Hennessy, David A., 2007. "Unit Vs. Ad Valorem Taxes in Multi-Product Cournot Oligopoly," Staff General Research Papers 12780, Iowa State University, Department of Economics.
  9. Blackorby, Charles & Murty, Sushama, 2006. "Unit Versus Ad Valorem Taxes : Monopoly In General Equilibrium," The Warwick Economics Research Paper Series (TWERPS) 761, University of Warwick, Department of Economics.
  10. X. Wang & Jingang Zhao, 2009. "On the efficiency of indirect taxes in differentiated oligopolies with asymmetric costs," Journal of Economics, Springer, vol. 96(3), pages 223-239, April.
  11. Francisco Galera & Isabel Rodríguez-Tejedo & Juan C. Molero, 2012. "Technology Choice and Unit vs Ad Valorem Tax," Faculty Working Papers 18/12, School of Economics and Business Administration, University of Navarra.
  12. Laszlo Goerke & Frederik Herzberg & Thorsten Upmann, 2012. "Failure of Ad Valorem and Specific Tax Equivalence under Uncertainty," IAAEU Discussion Papers 201205, Institute of Labour Law and Industrial Relations in the European Union (IAAEU).
  13. Alan Krause, 2007. "A Tax Reform Analysis of the Laffer Argument," Discussion Papers 07/10, Department of Economics, University of York.

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