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Money velocity, digital currency, and inflation dynamics

Author

Listed:
  • Hermawan, Danny
  • Lie, Denny
  • Sasongko, Aryo
  • Yusan, Richard
Abstract
This paper empirically investigates the impact of transaction cost-induced variations in the velocity of money on inflation dynamics, based on a structural New Keynesian Phillips curve (NKPC) with an explicit money velocity term. The money velocity effect arises from the role of money, both in physical and digital forms, in reducing the aggregate transaction costs and facilitating purchases of goods and services. We find a non-trivial aggregate impact in the context of the Indonesian economy: our benchmark estimates suggest that a 10% decrease in money velocity, which might be facilitated by a new digital currency (e.g. CBDC) issuance, would reduce the inflation rate by 0.6-1.7%, all else equal. Using the estimates and within a small-scale New Keynesian DSGE model, we analyze the potential implications of a CBDC issuance on aggregate fluctuations. A CBDC issuance that conservatively lowers the velocity of money by 5% is predicted to permanently raise the GDP level by 0.8% and lower the inflation rate by 0.8%. Both nominal and real interest rates are also permanently lower. Our findings imply that central banks could potentially use CBDCs as an additional stabilization policy tool by influencing the velocity.

Suggested Citation

  • Hermawan, Danny & Lie, Denny & Sasongko, Aryo & Yusan, Richard, 2023. "Money velocity, digital currency, and inflation dynamics," MPRA Paper 116906, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:116906
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    References listed on IDEAS

    as
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    More about this item

    Keywords

    inflation dynamics; transaction cost; velocity of money; digital money; digital currency; central bank digital currency (CBDC); aggregate fluctuations;
    All these keywords.

    JEL classification:

    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • E41 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Demand for Money
    • E42 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Monetary Sytsems; Standards; Regimes; Government and the Monetary System
    • 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
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies

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