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Unit Versus Ad Valorem Taxes : Monopoly In General Equilibrium

Author

Listed:
  • 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.

Suggested Citation

  • 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.
    • Handle: RePEc:wrk:warwec:761
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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. 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.
    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.
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    6. D. B. Suits & R. A. Musgrave, 1953. "Ad Valorem and Unit Taxes Compared," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 67(4), pages 598-604.
    7. 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.
    8. 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.
    9. Bliss, C. J., 1975. "Capital Theory and the Distribution of Income," Elsevier Monographs, Elsevier, edition 1, number 9780720436044 edited by Bliss, C. J..
    10. 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.
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    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    Ad valorem taxes ; unit taxes ; monopoly;
    All these keywords.

    JEL classification:

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

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