Where Do Banks End and NBFIs Begin?

Viral Acharya, Nicola Cetorelli and Bruce Tuckman

No 18939, CEPR Discussion Papers from C.E.P.R. Discussion Papers

Abstract: In recent years, assets of non-bank financial intermediaries (NBFIs) have grown significantly relative to those of banks. These two sectors are commonly viewed either as operating in parallel, performing different activities, or as substitutes, performing substantially similar activities, with banks inside and NBFIs outside the perimeter of banking regulation. We argue instead that NBFI and bank businesses and risks are so interwoven that they are better described as having transformed over time rather than as having migrated from banks to NBFIs. These transformations are at least in part a response to regulation and are such that banks remain special as both routine and emergency liquidity providers to NBFIs. We support this perspective as follows: (i) The new and enhanced financial accounts data for the United States (“From Whom to Whom†) show that banks and NBFIs finance each other, with NBFIs especially dependent on banks; (ii) Case studies and regulatory data show that banks remain exposed to credit and funding risks, which at first glance seem to have moved to NBFIs, and also to contingent liquidity risk from the provision of credit lines to NBFIs; and (iii) Empirical work confirms bank-NBFI linkages through the correlation of their abnormal equity returns and market-based measures of systemic risk. We conclude that regulation should adapt to this landscape by treating the two sectors holistically; by recognizing the implications for risk propagation and amplification; and by exploring new ways to internalize the costs of systemic risk.

Keywords: Non-bank financial intermediation; Nonbanks; Shadow banking; Bank regulation; Regulatory arbitrage; Systemic risk; Credit lines (search for similar items in EconPapers)
JEL-codes: G01 G21 G23 G28 (search for similar items in EconPapers)
Date: 2024-03
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Related works:
Working Paper: Where Do Banks End and NBFIs Begin? (2024)
Working Paper: Where Do Banks End and NBFIs Begin? (2024)
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