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On a tight leash: does bank organisational structure matter for macroprudential spillovers?

Research output: Working paper

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Abstract

This paper examines whether cross-border spillovers of macroprudential regulation depend on the organisational structure of banks’ foreign affiliates. Our analysis compares the response of foreign banks’ branches versus subsidiaries to changes in macroprudential regulations in foreign banks’ home countries. By focusing on branches and subsidiaries of the same banking group, we are able to control for all the factors affecting parent banks’ decisions regarding the lending of their foreign affiliates. We document that there are important differences between the type of regulation and the type of lending. Following a tightening of capital regulation, branches of multinational banks reduce interbank lending growth in the UK by 6.3pp more relative to subsidiaries of the same banking group. Lending to non-bank borrowers does not exhibit such differences. A tightening in lending standards or reserve requirements at home does not have differential effects on both interbank and non-bank lending in the UK.