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Unit versus ad valorem taxes: Monopoly in general equilibrium

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  • Blackorby, Charles
  • Murty, Sushama

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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  • Blackorby, Charles & Murty, Sushama, 2007. "Unit versus ad valorem taxes: Monopoly in general equilibrium," Journal of Public Economics, Elsevier, vol. 91(3-4), pages 817-822, April.
  • Handle: RePEc:eee:pubeco:v:91:y:2007:i:3-4:p:817-822
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    References listed on IDEAS

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    1. 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.
    2. 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.
    3. Blackorby, Charles & Donaldson, David, 1999. "Market demand curves and Dupuit-Marshall consumers' surpluses: a general equilibrium analysis," Mathematical Social Sciences, Elsevier, vol. 37(2), pages 139-163, March.
    4. Michael Keen, 1998. "The balance between specific and ad valorem taxation," Fiscal Studies, Institute for Fiscal Studies, vol. 19(1), pages 1-37, February.
    5. Blackorby, Charles & Murty, Sushama, 2007. "Unit versus ad valorem taxes: Monopoly in general equilibrium," Journal of Public Economics, Elsevier, vol. 91(3-4), pages 817-822, April.
    6. Peter A. Diamond & J. A. Mirrlees, 1968. "Optimal Taxation and Public Production," Working papers 22, Massachusetts Institute of Technology (MIT), Department of Economics.
    7. Ben Lockwood, 2004. "Competition in Unit vs. Ad Valorem Taxes," International Tax and Public Finance, Springer;International Institute of Public Finance, vol. 11(6), pages 763-772, November.
    8. Guesnerie, Roger & Laffont, Jean-Jacques, 1978. "Taxing price makers," Journal of Economic Theory, Elsevier, vol. 19(2), pages 423-455, December.
    9. Silberberg, Eugene, 1972. "Duality and the Many Consumer's Surpluses," American Economic Review, American Economic Association, vol. 62(5), pages 942-952, December.
    10. D. B. Suits & R. A. Musgrave, 1953. "Ad Valorem and Unit Taxes Compared," The Quarterly Journal of Economics, Oxford University Press, vol. 67(4), pages 598-604.
    11. 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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    Citations

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    Cited by:

    1. 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.
    2. Laszlo Goerke & Frederik Herzberg & Thorsten Upmann, 2014. "Failure of ad valorem and specific tax equivalence under uncertainty," International Journal of Economic Theory, The International Society for Economic Theory, vol. 10(4), pages 387-402, December.
    3. Clément Carbonnier, 2011. "Shifting on prices of per unit and ad valorem consumption taxes," Working Papers halshs-00872477, HAL.
    4. Magnus Hoffmann & Marco Runkel, 2016. "A welfare comparison of ad valorem and unit tax regimes," International Tax and Public Finance, Springer;International Institute of Public Finance, vol. 23(1), pages 140-157, February.
    5. Valido, Jorge & Pilar Socorro, M. & Hernández, Aday & Betancor, Ofelia, 2014. "Air transport subsidies for resident passengers when carriers have market power," Transportation Research Part E: Logistics and Transportation Review, Elsevier, vol. 70(C), pages 388-399.
    6. Laszlo Goerke, 2012. "The Optimal Structure of Commodity Taxation in a Monopoly with Tax Avoidance or Evasion," Public Finance Review, , vol. 40(4), pages 519-536, July.
    7. Plewka, Jörg, 2007. "Fiscal Discrimination Between Consumer Groups: Tax Burden Distribution Under Price Discrimination," Ruhr Economic Papers 19, RWI - Leibniz-Institut für Wirtschaftsforschung, Ruhr-University Bochum, TU Dortmund University, University of Duisburg-Essen.
    8. Aiura, Hiroshi & Ogawa, Hikaru, 2013. "Unit tax versus ad valorem tax: A tax competition model with cross-border shopping," Journal of Public Economics, Elsevier, vol. 105(C), pages 30-38.
    9. Lapan, Harvey E. & Hennessy, David A., 2007. "Unit Vs. Ad Valorem Taxes in Multi-Product Cournot Oligopoly," Staff General Research Papers Archive 12780, Iowa State University, Department of Economics.
    10. Ramón Torregrosa, 2008. "Macroeconomic effects of an indirect tax substitution," Journal of Economics, Springer, vol. 94(3), pages 199-221, September.
    11. Laszlo Goerke, 2011. "Commodity tax structure under uncertainty in a perfectly competitive market," Journal of Economics, Springer, vol. 103(3), pages 203-219, July.
    12. Charles Blackorby & Sushama Murty, 2013. "Unit Versus Ad Valorem Taxes: The Private Ownership of Monopoly in General Equilibrium," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 15(4), pages 547-579, August.
    13. repec:hit:hitjec:v:58:y:2017:i:2:p:107-119 is not listed on IDEAS
    14. Alan Krause, 2007. "A Tax Reform Analysis of the Laffer Argument," Discussion Papers 07/10, Department of Economics, University of York.
    15. 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.
    16. repec:zbw:rwirep:0019 is not listed on IDEAS
    17. Hiroshi Aiura & Hikaru Ogawa, 2016. "Indirect Taxes in the Cross-border Shopping Model: A Monopolistic Competition Approach," CIRJE F-Series CIRJE-F-1014, CIRJE, Faculty of Economics, University of Tokyo.
    18. Christos Kotsogiannis & Konstantinos Serfes, 2014. "The Comparison of ad Valorem and Specific Taxation under Uncertainty," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 16(1), pages 48-68, February.
    19. Olena SOKOLOVSKA & Dmytro SOKOLOVSKYI, 2016. "Modeling Of Consumption Taxes For Different Market Framework: The Case Of Ukraine," ECONOMIC COMPUTATION AND ECONOMIC CYBERNETICS STUDIES AND RESEARCH, Faculty of Economic Cybernetics, Statistics and Informatics, vol. 50(4), pages 75-92.
    20. 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.
    21. Blackorby, Charles & Murty, Sushama, 2007. "Unit versus ad valorem taxes: Monopoly in general equilibrium," Journal of Public Economics, Elsevier, vol. 91(3-4), pages 817-822, April.
    22. Jörg Plewka, 2007. "Fiscal Discrimination Between Consumer Groups: Tax Burden Distribution Under Price Discrimination," Ruhr Economic Papers 0019, Rheinisch-Westfälisches Institut für Wirtschaftsforschung, Ruhr-Universität Bochum, Universität Dortmund, Universität Duisburg-Essen.
    23. 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.
    24. repec:kap:jeczfn:v:122:y:2017:i:2:d:10.1007_s00712-017-0538-4 is not listed on IDEAS

    More about this item

    JEL classification:

    • H21 - Public Economics - - Taxation, Subsidies, and Revenue - - - Efficiency; Optimal Taxation

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