NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Which Financial Frictions? Parsing the Evidence from the Financial Crisis of 2007-9

Tobias Adrian, Paolo Colla, Hyun Song Shin

NBER Working Paper No. 18335
Issued in August 2012
NBER Program(s):   CF   ME

The financial crisis of 2007-9 has sparked keen interest in models of financial frictions and their impact on macro activity. Most models share the feature that borrowers suffer a contraction in the quantity of credit. However, the evidence suggests that although bank lending to firms declines during the crisis, bond financing actually increases to make up much of the gap. This paper reviews both aggregate and micro level data and highlights the shift in the composition of credit between loans and bonds. Motivated by the evidence, we formulate a model of direct and intermediated credit that captures the key stylized facts. In our model, the impact on real activity comes from the spike in risk premiums, rather than contraction in the total quantity of credit.

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A data appendix is available at http://www.nber.org/data-appendix/w18335

Machine-readable bibliographic record - MARC, RIS, BibTeX

Document Object Identifier (DOI): 10.3386/w18335

Published: Which Financial Frictions? Parsing the Evidence from the Financial Crisis of 2007 to 2009, Tobias Adrian, Paolo Colla, Hyun Song Shin. in NBER Macroeconomics Annual 2012, Volume 27, Acemoglu, Parker, and Woodford. 2013

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