A fiscal theory of central bank’s solvency: Perils of the quantitative and qualitative monetary easing

Hidekazu Niwa

Japan and the World Economy, 2024, vol. 70, issue C

Abstract: The Bank of Japan has purchased long-term Japanese government bonds under the Quantitative and Qualitative Monetary Easing (QQE). To study monetary policy after the Bank of Japan exits the QQE, we develop a model in which the fiscal authority commits: (ⅰ) not to making fiscal adjustments needed to stabilize government debt and (ⅱ) not to providing financial supports for the central bank that incurs losses on its balance sheet due to a decline in the price of long-term bonds. Within this framework, this study investigates how the interaction between these commitments reduces the ability of monetary policy to control inflation after liftoff from the zero lower bound. We consider a situation in which the central bank that holds long-term bonds raises the nominal interest rates and show two key results: (ⅰ) when the Taylor principle is violated, under certain conditions, inflation right after liftoff cannot overshoot the central bank’s target; (ⅱ) when the central bank follows the Taylor principle, under certain conditions, it cannot prevent the economy from converging to the deflationary steady state.

Keywords: Quantitative and Qualitative Monetary Easing; Fiscal theory of the price level; Central bank’s balance sheet; Central bank’s solvency (search for similar items in EconPapers)
JEL-codes: E31 E58 E63 (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:japwor:v:70:y:2024:i:c:s092214252400015x

DOI: 10.1016/j.japwor.2024.101252

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