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Granular Credit Risk

Author

Listed:
  • Sigurd Galaasen
  • Rustam Jamilov
  • Ragnar Juelsrud
  • Hélène Rey

Abstract

What is the impact of granular credit risk on banks and on the economy? We provide the first causal identification of single-name counterparty exposure risk in bank portfolios by applying a new empirical approach on an administrative matched bank-firm dataset from Norway. Exploiting the fat tail properties of the loan share distribution we use a Gabaix and Koijen (2020a,b) granular instrumental variable strategy to show that idiosyncratic borrower risk survives aggregation in banks portfolios. We also find that this granular credit risk spills over from affected banks to firms, decreases investment, and increases the probability of default of non-granular borrowers, thereby sizably affecting the macroeconomy.

Suggested Citation

  • Sigurd Galaasen & Rustam Jamilov & Ragnar Juelsrud & Hélène Rey, 2020. "Granular Credit Risk," NBER Working Papers 27994, National Bureau of Economic Research, Inc.
  • Handle: RePEc:nbr:nberwo:27994
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    Cited by:

    1. Huremovic, Kenan & Jiménez, Gabriel & Moral-Benito, Enrique & Vega-Redondo, Fernando & Peydró, José-Luis, 2020. "Production and financial networks in interplay: Crisis evidence from supplier-customer and credit registers," EconStor Preprints 222281, ZBW - Leibniz Information Centre for Economics.

    More about this item

    JEL classification:

    • E3 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles
    • G2 - Financial Economics - - Financial Institutions and Services

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