Monetary Policy and Asset Price Overshooting: A Rationale for the Wall/Main Street Disconnect

Ricardo Caballero () and Alp Simsek

No 9632, CESifo Working Paper Series from CESifo

Abstract: We analyze optimal monetary policy and its implications for asset prices, when aggregate demand has inertia and responds to asset prices with a lag. If there is a negative output gap, the central bank optimally overshoots aggregate asset prices (asset prices are initially pushed above their steady-state levels consistent with current potential output). Overshooting leads to a temporary disconnect between the performance of financial markets and the real economy, but it accelerates the recovery. When there is a lower-bound constraint on the discount rate, overshooting becomes a concave and non-monotonic function of the output gap: the asset price boost is low for a deeply negative initial output gap, grows as the output gap improves over a range, and shrinks toward zero as the output gap improves further. This pattern also implies that good macroeconomic news is better news for asset prices when the output gap is more negative. Finally, we document that during the Covid-19 recovery, the policy-induced overshooting was large−sufficient to explain the high levels of stock and house prices in 2021.

Keywords: monetary policy; aggregate demand inertia; lags; output gap; recovery; asset prices; overshooting; Wall/Main Street disconnect; Covid-19; interest rate lower bound; macroeconomic news; market bond portfolio; QE/LSAPs (search for similar items in EconPapers)
JEL-codes: E21 E32 E43 E44 E52 G12 (search for similar items in EconPapers)
Date: 2022
New Economics Papers: this item is included in nep-ban, nep-cba, nep-fdg, nep-mac and nep-mon
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Related works:
Journal Article: Monetary Policy and Asset Price Overshooting: A Rationale for the Wall/Main Street Disconnect (2024)
Working Paper: Monetary Policy and Asset Price Overshooting: A Rationale for the Wall/Main Street Disconnect (2022)
Working Paper: Monetary Policy and Asset Price Overshooting: A Rationale for the Wall/Main Street Disconnect (2020)
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Persistent link: https://EconPapers.repec.org/RePEc:ces:ceswps:_9632

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