NBER

João F. Gomes, Marco Grotteria, Jessica Wachter

Bibliographic Information

NBER Working Paper No. 25277
Issued in November 2018, Revised in July 2019
NBER Program(s):AP, CF

This paper was revised on July 17, 2019

Available Formats

Abstract

Large crises tend to follow rapid credit expansions. Causality, however, is far from obvious. We show how this pattern arises naturally when financial intermediaries optimally exploit economic rents that drive their franchise value. As this franchise value fluctuates over the business cycle, so too do the incentives to engage in risky lending. The model leads to novel insights on the effects of unconventional monetary policies in developed economies. We argue that bank lending might have responded less than expected to these interventions because they enhanced franchise value, inadvertently encouraging banks to pursue safer investments in low-risk government securities.

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