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American Economic Review Vol. 109 No. 10 2019

Competition and Strategic Incentives in the Market for Credit Ratings: Empirics of the Financial Crisis of 2007

Chenghuan Sean Chu1; Marc Rysman2

1 Sunrun Inc., 1120 Vancouver Avenue, Burlingame, CA 94010 (email: ) · 2 Boston University, 270 Bay State Road, Boston, MA 02215 (email: )

open access

Abstract

We study the market for ratings agencies in the commercial mortgage backed securities sector leading up to and including the financial crisis of 2007–2008. Using a structural model adapted from the auctions literature, we characterize the incentives of ratings agencies to distort ratings in favor of issuers. We find an important equilibrium distortion, which decreased after the crisis. We study several counterfactual experiments motivated by recent policymaking in this industry.

DOI
10.1257/aer.20140773
Volume
109
Issue
10
Pages
3514-3555
Language
en
Sources
bibtex:phds-export.bib openalex crossref

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