NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH
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Greg Buchak

University of Chicago
5807 S Woodlawn Ave
Chicago, IL 60637

E-Mail: EmailAddress: hidden: you can email any NBER-related person as first underscore last at nber dot org
Institutional Affiliation: Stanford University

NBER Working Papers and Publications

October 2018Beyond the Balance Sheet Model of Banking: Implications for Bank Regulation and Monetary Policy
with Gregor Matvos, Tomasz Piskorski, Amit Seru: w25149
Bank balance sheet lending is commonly viewed as the predominant form of lending. We document and study two margins of adjustment that are usually absent from this view using microdata in the $10 trillion U.S. residential mortgage market. We first document the limits of the shadow bank substitution margin: shadow banks substitute for traditional—deposit-taking—banks in loans which are easily sold, but are limited from activities requiring on-balance-sheet financing. We then document the balance sheet retention margin: banks switch between traditional balance sheet lending and selling loans based on their balance sheet strength, behaving more like shadow banks following negative shocks. Motivated by this evidence, we build and estimate a workhorse structural model of the financial intermedi...
March 2017Fintech, Regulatory Arbitrage, and the Rise of Shadow Banks
with Gregor Matvos, Tomasz Piskorski, Amit Seru: w23288
Shadow bank market share in residential mortgage origination nearly doubled from 2007-2015, with particularly dramatic growth among online “fintech” lenders. We study how two forces, regulatory differences and technological advantages, contributed to this growth. Difference in difference tests exploiting geographical heterogeneity induced by four specific increases in regulatory burden–capital requirements, mortgage servicing rights, mortgage-related lawsuits, and the movement of supervision to Office of Comptroller and Currency following closure of the Office of Thrift Supervision--all reveal that traditional banks contracted in markets where they faced more regulatory constraints; shadow banks partially filled these gaps. Fintech lenders appear to offer a higher quality product and charg...

Published: Greg Buchak & Gregor Matvos & Tomasz Piskorski & Amit Seru, 2018. "Fintech, Regulatory Arbitrage, and the Rise of Shadow Banks," Journal of Financial Economics, . citation courtesy of

 
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