Séminaire

The Financial (In)Stability Real Interest Rate, R**

Gianluca Benigno (University of Lausanne)

22 septembre 2026, 11h30–12h30

BDF, Paris

Salle Online and in Room 4GH

Séminaire Banque de France

Résumé

We build a macro-finance model with an occasionally binding financing constraint where real interest rates have opposite effects on current and future financial stability, with the contemporaneous impact driven by valuation effects (akin to those triggering the 2023 banking turmoil) and the future impact driven by reach-for-yield by intermediaries. We use this model to illustrate the concept of the financial stability interest rate, r**, which we propose as a quantitative summary statistic for financial vulnerabilities. We provide a measure of r** for the U.S. economy and discuss its evolution over the past fifty years.

Mots-clés

r**; financial crises; financial stability; occasionally binding credit constraint;

Codes JEL

  • E4: Money and Interest Rates
  • E5: Monetary Policy, Central Banking, and the Supply of Money and Credit
  • G0: General

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