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Unit Versus Ad Valorem Taxes : The Private Ownership of Monopoly In General Equilibrium

Author

Listed:
  • Blackorby, Charles

    (Department of Economics,University of Warwick and GREQAM)

  • Murty, Sushama

    (Department of Economics, University ofWarwick)

Abstract

In an earlier paper [Blackorby and Murty; 2007] we showed 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. In this paper, we consider private ownership of the monopoly sector. Given technical difficulties in making a direct general equilibrium comparison of unit and ad valorem taxation, we adopt a technique due to Guesnerie [1980] and Quinzii [1992] in a somewhat different context of increasing returns and non-convex economies to show that neither ad valorem taxation nor unit taxation Pareto dominates the other; although, generally, the two are not welfare-wise equivalent.

Suggested Citation

  • Blackorby, Charles & Murty, Sushama, 2007. "Unit Versus Ad Valorem Taxes : The Private Ownership of Monopoly In General Equilibrium," The Warwick Economics Research Paper Series (TWERPS) 797, University of Warwick, Department of Economics.
  • Handle: RePEc:wrk:warwec:797
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    File URL: https://www2.warwick.ac.uk/fac/soc/economics/research/workingpapers/2007/twerp_797.pdf
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    References listed on IDEAS

    as
    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. 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.
    3. Michael Keen, 1998. "The balance between specific and ad valorem taxation," Fiscal Studies, Institute for Fiscal Studies, vol. 19(1), pages 1-37, February.
    4. 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.
    5. Mas-Colell, Andreu & Whinston, Michael D. & Green, Jerry R., 1995. "Microeconomic Theory," OUP Catalogue, Oxford University Press, number 9780195102680.
    6. 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.
    7. Guesnerie, Roger & Laffont, Jean-Jacques, 1978. "Taxing price makers," Journal of Economic Theory, Elsevier, vol. 19(2), pages 423-455, December.
    8. 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.
    9. 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.
    10. Blackorby, Charles & Diewert, W E, 1979. "Expenditure Functions, Local Duality, and Second Order Approximations," Econometrica, Econometric Society, vol. 47(3), pages 579-601, May.
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    Citations

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    Cited by:

    1. 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.
    2. 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.
    3. 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.
    4. Laszlo Goerke, 2011. "Commodity tax structure under uncertainty in a perfectly competitive market," Journal of Economics, Springer, vol. 103(3), pages 203-219, July.
    5. 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.
    6. repec:zbw:rwirep:0019 is not listed on IDEAS
    7. 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.
    8. 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.
    9. 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.
    10. 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.
    11. Hong Hwang & Chao-Cheng Mai & Ya-Po Yang, 2015. "Specific vs Ad Valorem Strategic Export Subsidies with Taxation Distortion," Review of Development Economics, Wiley Blackwell, vol. 19(4), pages 820-828, November.
    12. 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

    Keywords

    Ad valorem taxes ; unit taxes ; monopoly;

    JEL classification:

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

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