The international transmission of bank capital requirements

Working papers set out research in progress by our staff, with the aim of encouraging comments and debate.
Published on 17 April 2014

Working Paper No. 497
By Shekhar Aiyar, Charles W Calomiris, John Hooley, Yevgeniya Korniyenko and Tomasz Wieladek

 We use data on UK banks’ minimum capital requirements to study the impact of changes to bank-specific capital requirements on cross-border bank loan supply from 1999 Q1 to 2006 Q4. By examining a sample in which each recipient country has multiple relationships with UK-resident banks, we are able to control for demand effects. We find a negative and statistically significant effect of changes to banks’ capital requirements on cross-border lending: a 100 basis point increase in the requirement is associated with a reduction in the growth rate of cross-border credit of 5.5 percentage points. We also find that banks tend to favour their most important country relationships, so that the negative cross-border credit supply response in ‘core’ countries is significantly less than in others. Banks tend to cut back cross-border credit to other banks (including foreign affiliates) more than to firms and households, consistent with shorter maturity, wholesale lending which is easier to roll off and may be associated with weaker borrowing relationships.

PDF The international transmission of bank capital requirements: evidence from the United Kingdom 

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