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The Liquidity-Augmented Model of Macroeconomic Aggregates: A New Monetarist DSGE Approach

Author

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  • Athanasios Geromichalos

    (University of California, Davis)

  • Lucas Herrenbrueck

    (Simon Fraser University)

Abstract

We propose a new model of the macroeconomy which is simple and tractable, yet explicit about the foundations of liquidity. Monetary policy is implemented via swaps of money for liquid bonds in a secondary asset market. Prices are flexible, yet policy has real effects because money, bonds, and capital are imperfect substitutes, both in the short run and in the long run. The model unifies two classical channels through which the price of liquidity affects the economy (Friedman's real balance effect vs Mundell's and Tobin's asset substitution effect), and it shines light on important macroeconomic questions: the causal link between interest rates and inflation, the effects of money demand shocks, and the existence and persistence of a liquidity trap where interest rates are zero but inflation is positive. (Copyright: Elsevier)

Suggested Citation

  • Athanasios Geromichalos & Lucas Herrenbrueck, 2022. "The Liquidity-Augmented Model of Macroeconomic Aggregates: A New Monetarist DSGE Approach," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 45, pages 134-167, July.
    • Handle: RePEc:red:issued:19-205
    DOI: 10.1016/j.red.2021.05.002
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    Cited by:

    1. Athanasios Geromichalos & Lucas Herrenbrueck & Sukjoon Lee, 2023. "The Strategic Determination of the Supply of Liquid Assets," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 49, pages 1-36, July.
    2. Lukas Altermatt, 2022. "Inside Money, Investment, And Unconventional Monetary Policy," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 63(4), pages 1527-1560, November.
    3. Lucas Herrenbrueck, Zijian Wang, 2023. "Interest Rates, Moneyness, and the Fisher Equation," Discussion Papers dp23-11, Department of Economics, Simon Fraser University.
    4. Marieh Azizirad, 2022. "Fisher vs Keynes: Does an Interest Rate Hike Cause Inflation to Increase or Decrease?," Discussion Papers dp22-08, Department of Economics, Simon Fraser University.
    5. Miroslav Gabrovski & Athanasios Geromichalos & Lucas Herrenbrueck & Ioannis Kospentaris & Sukjoon Lee, 2023. "The real effects of financial disruptions in a monetary economy," Working Papers 202302, University of Hawaii at Manoa, Department of Economics.
    6. Assenmacher, Katrin & Bitter, Lea & Ristiniemi, Annukka, 2023. "CBDC and business cycle dynamics in a New Monetarist New Keynesian model," Working Paper Series 2811, European Central Bank.
    7. Chien-Chiang Wang, 2023. "Asset Market Frictions, Household Heterogeneity, and the Liquidity Theory of the Term Structure," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 47, pages 67-99, January.
    8. Athanasios Geromichalos & Lucas Herrenbrueck & Sukjoon Lee, 2023. "The Strategic Determination of the Supply of Liquid Assets," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 49, pages 1-36, July.

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    More about this item

    Keywords

    Money and capital; Indirect liquidity; Open-market operations; Fisher equation; Liquidity trap;
    All these keywords.

    JEL classification:

    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E43 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Interest Rates: Determination, Term Structure, and Effects
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy

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