Bank Regulation and Post-2008 US Monetary Policy

Ruopu Hu and Andreas Schabert ()
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Andreas Schabert: University of Cologne

No 397, ECONtribute Discussion Papers Series from University of Bonn and University of Cologne, Germany

Abstract: Since U.S. bank capital holdings began rising almost concurrently with the monetary policy change after 2008, we examine the role of capital requirements for monetary policy regimes. While standard models predict that equilibrium determination and responses to aggregate shocks are fundamentally affected at the zero lower bound (ZLB), we show that these effects are absent when bank capital requirements are binding. Estimating a model version with occasionally binding capital requirements, we find that they have been almost permanently binding after 2008. We further show that capital requirements neither restore relevance of money supply nor amplify responses to macroeconomic shocks above the ZLB.

Keywords: Capital Regulation; Monetary Policy; Local Equilibrium Determinacy; Regimeswitching Estimation; Zero Lower Bound (search for similar items in EconPapers)
JEL-codes: C11 E52 G28 (search for similar items in EconPapers)
Pages: 45 pages
Date: 2026-03
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Persistent link: https://EconPapers.repec.org/RePEc:ajk:ajkdps:397

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