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The fiscal implications of parallel currencies

Author

Listed:
  • Bahaj, Saleem
  • Reis, Ricardo

Abstract

By controlling the scarcity of an offshore parallel currency, policymakers can manage capital flows and steer the exchange rate. This is an alternative policy to setting the rate of a Tobin tax. However, its fiscal implications are distinct, and this paper lays them out. Having a parallel currency creates both seigniorage and liquidity revenues. The two revenues have different sizes and different Laffer curves, both of which vary with the regime for the exchange rate, with liquidity policies, and with the size of the offshore market. Quantitatively, the fiscal footprint of offshore money management is small and the Laffer curve is flat, boosting the chances that it can be used independently of fiscal pressures.

Suggested Citation

  • Bahaj, Saleem & Reis, Ricardo, 2026. "The fiscal implications of parallel currencies," LSE Research Online Documents on Economics 141134, London School of Economics and Political Science, LSE Library.
  • Handle: RePEc:ehl:lserod:141134
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    File URL: https://researchonline.lse.ac.uk/id/eprint/141134/
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    References listed on IDEAS

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    1. Timothy J. Kehoe & Juan Pablo Nicolini (ed.), 2022. "A Monetary and Fiscal History of Latin America, 1960-2017," Books, University of Minnesota Press, number 1.
    2. Timothy J. Kehoe & Juan Pablo Nicolini & Thomas Sargent, 2022. "A Framework for Studying the Monetary and Fiscal History of Latin America," Book Chapters, in: Timothy J. Kehoe & Juan Pablo Nicolini (ed.), A Monetary and Fiscal History of Latin America, 1960-2017, pages 19-42, University of Minnesota Press.
    3. Reis, Ricardo, 2026. "Financial repression in the XXIst century," LSE Research Online Documents on Economics 138502, London School of Economics and Political Science, LSE Library.
    4. Chamon, Marcos & Garcia, Márcio, 2016. "Capital controls in Brazil: Effective?," Journal of International Money and Finance, Elsevier, vol. 61(C), pages 163-187.
    5. Carlos Esquivel & Timothy J. Kehoe & Juan Pablo Nicolini, 2022. "Lessons from the Monetary and Fiscal History of Latin America," Book Chapters, in: Timothy J. Kehoe & Juan Pablo Nicolini (ed.), A Monetary and Fiscal History of Latin America, 1960-2017, pages 537-565, University of Minnesota Press.
    6. Benati, Luca & Lucas, Robert E. & Nicolini, Juan Pablo & Weber, Warren, 2021. "International evidence on long-run money demand," Journal of Monetary Economics, Elsevier, vol. 117(C), pages 43-63.
    7. Fratzscher, Marcel & Gloede, Oliver & Menkhoff, Lukas & Sarno, Lucio & Stöhr, Tobias, 2019. "When Is Foreign Exchange Intervention Effective? Evidence from 33 Countries," EconStor Open Access Articles and Book Chapters, ZBW - Leibniz Information Centre for Economics, vol. 0(1), pages 132-156.
    8. Reis, Ricardo, 2026. "Financial Repression in the XXIst Century," CEPR Discussion Papers 21072, Centre for Economic Policy Research.
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    JEL classification:

    • F31 - International Economics - - International Finance - - - Foreign Exchange
    • F33 - International Economics - - International Finance - - - International Monetary Arrangements and Institutions
    • E51 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Money Supply; Credit; Money Multipliers

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