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Balance sheet policies and Central Bank losses in a HANK model

Author

Listed:
  • C. LABROUSSE

    (Insee, Paris School of Economics)

  • Y. PERDEREAU

    (Paris School of Economics)

Abstract

What are the effects of central bank balance sheet expansion, and should we worry about central bank losses? Using a Heterogeneous Agent New Keynesian model incorporating money in utility and an endogenous zero lower bound (ZLB), we study the fiscal-monetary interaction of central bank balance sheet policies. We find that the overall efficiency of asset purchase programmes depends on the combination of the expected future size of the balance sheet and the fiscal transmission of central bank losses. First, permanent balance sheet expansions stimulate the economy in the long-run and, by anticipation, increase inflation and output during the ZLB episode, as they interact with distortionary taxes and imperfect capital markets. Second, at the end of the ZLB, the central bank incurs losses: issuing securities to offset these losses is more welfare-enhancing than raising taxes.

Suggested Citation

  • C. Labrousse & Y. Perdereau, 2025. "Balance sheet policies and Central Bank losses in a HANK model," Documents de Travail de l'Insee - INSEE Working Papers 2025-10, Institut National de la Statistique et des Etudes Economiques.
    • Handle: RePEc:nse:doctra:2025-10
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    File URL: https://www.insee.fr/fr/statistiques/8562903
    File Function: Document de travail de la DESE numero 2025-10
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    More about this item

    Keywords

    monetary policy heterogeneous agents; balance sheet; Quantitative Easing; Quantitative Tightening; Central Bank losses; fiscal and monetary policy mix;
    All these keywords.

    JEL classification:

    • E21 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Consumption; Saving; Wealth
    • E41 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Demand for Money
    • 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
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies
    • E63 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Comparative or Joint Analysis of Fiscal and Monetary Policy; Stabilization; Treasury Policy
    • E65 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Studies of Particular Policy Episodes

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