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Shadow Banking and Regulation: A Quantitative Assessment

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  • Césaire Meh
  • Kevin Moran

Abstract

We develop a framework to quantitatively assess the links between traditional and shadow banks and how these links are modified by regulatory reforms in the traditional banking sector. In the model, banks screen projects and originate loans, and then sell some of these loans (securitize them) to shadow banks, in order to redeploy capital and invest in alternative productive investment opportunities. This capital redeployment towards profitable investment implies a potentially socially beneficial role for shadow banks. However, the availability of securitization might also lead banks to screen projects less intensively and increase risk-taking. We explore the quantitative implication of this tradeoff and how it is affected by regulation of the traditional bank sector. Nous développons un modèle macroéconomique permettant d’analyser les liens entre le secteur bancaire traditionnel et le secteur parallèle ("shadow banking") et comment ces liens sont affectés par la réglementation bancaire imposée au secteur bancaire traditionnel. Dans le modèle, les banques traditionnelles font la sélection initiale des projets et émettent des prêts, mais peuvent ensuite une partie de ces prêts (en les titrisant) à leur contreparties du secteur parallèle, afin de réallouer leur capital à d’autres opportunités d’investissement productives. Cette réallocation de capital vers des investissements rentables confère aux shadow banks un rôle potentiellement bénéfique sur le plan social. Toutefois, la possibilité de titrisation des prêts peut également inciter les banques à réduire leurs efforts initiaux dans les sélection des projets et à prendre davantage de risques. Nous examinons les implications quantitatives de cette tension et la manière dont celles-ci sont influencées par la réglementation du secteur bancaire traditionnel.

Suggested Citation

  • Césaire Meh & Kevin Moran, 2025. "Shadow Banking and Regulation: A Quantitative Assessment," CIRANO Working Papers 2025s-22, CIRANO.
  • Handle: RePEc:cir:cirwor:2025s-22
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    File URL: https://cirano.qc.ca/files/publications/2025s-22.pdf
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    JEL classification:

    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages

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