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How Should Financial Intermediation Services be Taxed?

  • Lockwood, Ben

    (CBT, CEPR and Department of Economics, University of Warwick)

This paper considers the optimal taxation of savings intermediation and payment services in a dynamic general equilibrium setting, when the government can also use consumption and income taxes. When payment services are used in strict proportion to final consumption, and the cost of intermediation services is fixed and the same across firms, the optimal taxes are generally indeterminate. But, when firms differ exogenously in the cost of intermediation services, the tax on savings intermediation should be zero. Also, when household time and payment services are substitutes in transactions, the optimal tax rate on payment services is determined by the returns to scale in the conditional demand for payment services, and is generally different to the optimal rate on consumption goods. In particular, with constant returns to scale, payment services should be untaxed. These results can be understood as applications of the Diamond-Mirrlees production efficiency theorem. Finally, as an extension, we endogenize intermediation, in the form of monitoring, and show that it may be oversupplied in equilibrium when banks have monopoly power, justifying a Pigouvian tax in this caseKeywords:

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File URL: http://www2.warwick.ac.uk/fac/soc/economics/research/workingpapers/2010/twerp_948.pdf
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Paper provided by University of Warwick, Department of Economics in its series The Warwick Economics Research Paper Series (TWERPS) with number 948.

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Date of creation: 2010
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Handle: RePEc:wrk:warwec:948
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  1. Mikhail Golosov & Narayana Kocherlakota & Aleh Tsyvinski, 2002. "Optimal Indirect and Capital Taxation," Levine's Working Paper Archive 391749000000000449, David K. Levine.
  2. Kevin C. Murdock & Thomas F. Hellmann & Joseph E. Stiglitz, 2000. "Liberalization, Moral Hazard in Banking, and Prudential Regulation: Are Capital Requirements Enough?," American Economic Review, American Economic Association, vol. 90(1), pages 147-165, March.
  3. Isabel Correia & Pedro Teles, 1997. "The optimal inflation tax," Discussion Paper / Institute for Empirical Macroeconomics 123, Federal Reserve Bank of Minneapolis.
  4. Diamond, Douglas W & Dybvig, Philip H, 1983. "Bank Runs, Deposit Insurance, and Liquidity," Journal of Political Economy, University of Chicago Press, vol. 91(3), pages 401-19, June.
  5. Martin Brown & Tullio Jappelli & Marco Pagano, 2007. "Information Sharing and Credit: Firm-Level Evidence from Transition Countries," CSEF Working Papers 178, Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy.
  6. Besanko, David & Kanatas, George, 1993. "Credit Market Equilibrium with Bank Monitoring and Moral Hazard," Review of Financial Studies, Society for Financial Studies, vol. 6(1), pages 213-32.
  7. Chamley, Christophe, 1986. "Optimal Taxation of Capital Income in General Equilibrium with Infinite Lives," Econometrica, Econometric Society, vol. 54(3), pages 607-22, May.
  8. Christopher Phelan & Ennio Stacchetti, 2001. "Sequential Equilibria in a Ramsey Tax Model," Econometrica, Econometric Society, vol. 69(6), pages 1491-1518, November.
  9. Bengt Holmstrom & Jean Tirole, 1994. "Financial Intermediation, Loanable Funds and the Real Sector," Working papers 95-1, Massachusetts Institute of Technology (MIT), Department of Economics.
  10. Andrew Atkeson & V.V. Chari & Patrick J. Kehoe, 1999. "Taxing capital income: a bad idea," Quarterly Review, Federal Reserve Bank of Minneapolis, issue Sum, pages 3-17.
  11. Poddar, Satya & English, Morley, 1997. "Taxation of Financial Services Under a Value-Added Tax: Applying the Cash-Flow Approach," National Tax Journal, National Tax Association, vol. 50(1), pages 89-111, March.
  12. Berger, Allen N & Udell, Gregory F, 1995. "Relationship Lending and Lines of Credit in Small Firm Finance," The Journal of Business, University of Chicago Press, vol. 68(3), pages 351-81, July.
  13. Diamond, Douglas W, 1991. "Monitoring and Reputation: The Choice between Bank Loans and Directly Placed Debt," Journal of Political Economy, University of Chicago Press, vol. 99(4), pages 689-721, August.
  14. Faig, Miquel, 1988. "Characterization of the optimal tax on money when it functions as a medium of exchange," Journal of Monetary Economics, Elsevier, vol. 22(1), pages 137-148, July.
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