How Much do Bank Shocks Affect Investment? Evidence from Matched Bank-Firm Loan Data

David Weinstein and Mary Amiti

No 9400, CEPR Discussion Papers from C.E.P.R. Discussion Papers

Abstract: We show that supply-side financial shocks have a large impact on firms? investment. We do this by developing a new methodology to separate firm credit shocks from loan supply shocks using a vast sample of matched bank-firm lending data. We decompose loan movements in Japan for the period 1990 to 2010 into bank, firm, industry, and common shocks. The high degree of financial institution concentration means that individual banks are large relative to the size of the economy, which creates a role for granular shocks as in Gabaix (2011). As a result, idiosyncratic bank shocks i.e., movements in bank loan supply net of borrower characteristics and general credit conditions can have large impacts on aggregate loan supply and investment. We show that these idiosyncratic bank shocks explain 40 percent of aggregate loan and investment fluctuations.

Keywords: Credit constraints; Financial markets; Granular shock (search for similar items in EconPapers)
JEL-codes: E44 G21 (search for similar items in EconPapers)
Date: 2013-03
New Economics Papers: this item is included in nep-ban and nep-mac
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Citations: View citations in EconPapers (64)

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Working Paper: How much do bank shocks affect investment? Evidence from matched bank-firm loan data (2013)
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