Unveiling Risk on Bank Balance Sheets: From Risk Disclosure to Credit Reallocation

Brunella Bruno () and Imma Marino ()
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Brunella Bruno: Bocconi University, https://www.unibocconi.it/it
Imma Marino: University of Naples Federico II and CSEF, https://csef.it/people/immacolata-marino/

CSEF Working Papers from Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy

Abstract: We examine how banks adjust credit allocation when hidden credit risk is revealed. Using supervisory risk disclosure data from the European Central Bank’s 2014 Asset Quality Review, we find that banks experiencing larger increases in non-performing loans and provisions significantly reduce risk-weighted exposures while keeping total credit volumes largely unchanged. This suggests that de-risking primarily occurs through portfolio reallocation-particularly within portfolios-rather than through credit contraction. We document heterogeneous responses depending on the rating approach used to measure credit risk and we show that capital constraints amplify, but are not the sole driversof, de-risking. Finally, we provide evidence that supervisory risk disclosure plays a key role in shaping banks’ risk-taking behavior, even in the absence of observable adjustments in their financial statements.

Keywords: Transparency; Bank Supervision; Credit risk; Non-performing loans (search for similar items in EconPapers)
JEL-codes: G21 G28 M48 (search for similar items in EconPapers)
Date: 2026-03-17
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