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Failure of Ad Valorem and Specific Tax Equivalence under Uncertainty

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  • Laszlo Goerke
  • Frederik Herzberg
  • Thorsten Upmann

Abstract

Applying a framework of perfect competition under uncertainty, we contribute to the discussion of whether or not ad valorem taxes and specific taxes are equivalent. While this equivalence holds without price uncertainty, we show that ad valorem taxes and specific taxes are “almost never” equivalent in the presence of uncertainty if we demand equivalence to hold pathwise. Since we obtain this result under perfect competition, our analysis also provides a further rationale for why the equivalence must fail under imperfect competition.

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File URL: http://www.cesifo-group.de/portal/page/portal/DocBase_Content/WP/WP-CESifo_Working_Papers/wp-cesifo-2012/wp-cesifo-2012-09/cesifo1_wp3946.pdf
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Bibliographic Info

Paper provided by CESifo Group Munich in its series CESifo Working Paper Series with number 3946.

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Date of creation: 2012
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Handle: RePEc:ces:ceswps:_3946

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Keywords: ad valorem taxes and specific taxes; revenue neutrality; price uncertainty; concept of pathwise neutrality;

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  1. Anderson, S.P. & de Palma, A. & Kreider, K., 1999. "The Efficiency of Indirect Taxes Under Imperfect Competition," Papers 99-09, Paris X - Nanterre, U.F.R. de Sc. Ec. Gest. Maths Infor..
  2. Francis K. Cheung, 1998. "Excise Tax on a Non-Uniform Pricing Monopoly: Ad Valorem and Unit Taxes Compared," Canadian Journal of Economics, Canadian Economics Association, vol. 31(5), pages 1192-1203, November.
  3. Liqun Liu, 2003. "Relative Efficiency of AD Valorem and Unit Taxes: The Case of Endogenous Quality," Public Finance Review, , vol. 31(3), pages 291-301, May.
  4. Magnus Hoffmann & Marco Runkel, 2012. "Why Countries Compete in Ad Valorem Instead of Unit Capital Taxes," CESifo Working Paper Series 3893, CESifo Group Munich.
  5. Philipp J. H. Schröder, 2004. "The Comparison between Ad Valorem and Unit Taxes under Monopolistic Competition," Journal of Economics, Springer, vol. 83(3), pages 281-292, December.
  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. Stephen F. Hamilton, 2009. "Excise Taxes with Multiproduct Transactions," American Economic Review, American Economic Association, vol. 99(1), pages 458-71, March.
  8. Lisa Grazzini, 2006. "A Note on Ad Valorem and Per Unit Taxation in an Oligopoly Model," Journal of Economics, Springer, vol. 89(1), pages 59-74, October.
  9. Laszlo Goerke, 2011. "Commodity Tax Structure under Uncertainty in a Perfectly Competitive Market," CESifo Working Paper Series 3339, CESifo Group Munich.
  10. 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.
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  16. Harvey E. Lapan & David A. Hennessy, 2011. "Unit versus Ad Valorem Taxes in Multiproduct Cournot Oligopoly," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 13(1), pages 125-138, 02.
  17. Susanne Dröge & Philipp Schröder, 2009. "The welfare comparison of corrective ad valorem and unit taxes under monopolistic competition," International Tax and Public Finance, Springer, vol. 16(2), pages 164-175, April.
  18. Weitzman, Martin L, 1974. "Prices vs. Quantities," Review of Economic Studies, Wiley Blackwell, vol. 41(4), pages 477-91, October.
  19. Kind, Hans Jarle & Koethenbuerger, Marko & Schjelderup, Guttorm, 2009. "On revenue and welfare dominance of ad valorem taxes in two-sided markets," Economics Letters, Elsevier, vol. 104(2), pages 86-88, August.
  20. Sophia Delipalla, 2009. "Tobacco Tax Structure and Smuggling," FinanzArchiv: Public Finance Analysis, Mohr Siebeck, Tübingen, vol. 65(1), pages 93-104, March.
  21. Dickie, M. & Trandel, G.A., 1993. "Comparing Specific and Ad Vaslorem Pigouvian Taxes and Output Quotas," Papers 431, Georgia - College of Business Administration, Department of Economics.
  22. Sofia Delipalla & Michael Keen, 2006. "Product Quality and the Optimal Structure of Commodity Taxes," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 8(4), pages 547-554, October.
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