The Safety Net: Central Bank Balance Sheets and Financial Crises, 1587-2020

Niall Ferguson, Martin Kornejew, Paul Schmelzing and Moritz Schularick

No 17858, CEPR Discussion Papers from C.E.P.R. Discussion Papers

Abstract: This paper studies the evolution of central bank balance sheets over the past 400 years across 17 major economies. The size of central bank balance sheets has varied substantially over time relative to economic and financial activity. Major balance sheet expansions were initially associated with government finance in geopolitical emergencies, but over time liquidity provision during financial turmoil has become the key driver of balance sheet operations. We examine the historical record of such lender of last resort interventions with a novel identification strategy based on pre-determined ideological beliefs of acting central bank governors ("hawks" vs. "doves") with respect to financial sector support. Using exogenous variation in the crisis response, we estimate the effects of lender of last resort operations on the economy. History shows that liquidity support during financial crises has indeed tended to stabilize the economy successfully: crises are less severe, asset prices recover more quickly, and deflation is avoided. However, there is also evidence that the provision of central bank liquidity to financial markets raises the probability of future boom-bust episodes, pointing to potential moral hazard effects of central bank intervention.

Keywords: Central; bank; balance; sheet (search for similar items in EconPapers)
JEL-codes: G01 G15 G21 N20 (search for similar items in EconPapers)
Date: 2023-01
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