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Optimal monetary interventions in credit markets

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  • Araujo, Luis
  • Hu, Tai-Wei

Abstract

We characterize optimal credit market interventions with respect to two fundamental frictions—limited commitment and limited monitoring. We consider two classes of interventions: an inflationary policy which uses inflation tax to forgive private debt, and a deflationary policy which uses credit tax to increase the real rate of return on money. We show that both money and debt are essential and that intervention is generically optimal. The nature of the optimal intervention depends on the fundamentals of the economy and we provide conditions under which the optimal intervention is inflationary and under which it is deflationary. Our results hold irrespective of whether we use a bargaining protocol or optimal trading mechanisms.

Suggested Citation

  • Araujo, Luis & Hu, Tai-Wei, 2018. "Optimal monetary interventions in credit markets," Journal of Economic Theory, Elsevier, vol. 178(C), pages 455-487.
    • Handle: RePEc:eee:jetheo:v:178:y:2018:i:c:p:455-487
    DOI: 10.1016/j.jet.2018.10.005
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    Cited by:

    1. Zhu, Tao & Wallace, Neil, 2020. "Fixed and Flexible Exchange-rates in Two Matching Models: Non-equivalence Results," MPRA Paper 102913, University Library of Munich, Germany.
    2. Guillaume Rocheteau & Randall Wright & Cathy Zhang, 2018. "Corporate Finance and Monetary Policy," American Economic Review, American Economic Association, vol. 108(4-5), pages 1147-1186, April.
    3. Lotz, Sébastien & Zhang, Cathy, 2016. "Money and credit as means of payment: A new monetarist approach," Journal of Economic Theory, Elsevier, vol. 164(C), pages 68-100.
    4. van Buggenum, Hugo & Rabinovich, Stanislav, 2023. "Co-essentiality of money and credit: A mechanism-design view," Journal of Economic Theory, Elsevier, vol. 213(C).
    5. Wei-Bin Zhang, 2020. "Inflation And Growth With The Miu Approach And The Equation Of Exchange," Social Sciences and Education Research Review, Department of Communication, Journalism and Education Sciences, University of Craiova, vol. 7(1), pages 45-71, July.
    6. Lucy Qian Liu & Liang Wang & Randall Wright, 2015. "Costly Credit and Sticky Prices," Working Papers 201505, University of Hawaii at Manoa, Department of Economics.
    7. Luis Araujo & Leo Ferraris, 2019. "The Societal Benefits of Money and Interest Bearing Debt," CEIS Research Paper 453, Tor Vergata University, CEIS, revised 19 Feb 2019.
    8. Moccia, Luigi & Laporte, Gilbert, 2016. "Improved models for technology choice in a transit corridor with fixed demand," Transportation Research Part B: Methodological, Elsevier, vol. 83(C), pages 245-270.

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    More about this item

    Keywords

    Money; Credit; Limited commitment; Optimal monetary policy; Mechanism design; Inflation;
    All these keywords.

    JEL classification:

    • E50 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - General
    • E51 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Money Supply; Credit; Money Multipliers
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy

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