We use data on UK banks' minimum capital requirements to study the interaction of monetary policy and capital requirement regulation. UK banks were subject to both time-varying capital requirements and changes in interest rate policy. Tightening of either capital requirements or monetary policy...

What kinds of credit substitution, if any, occur when changes to banks' minimum capital requirements induce banks to change their supply of credit? The question is central to the new ‘macroprudential' policy regimes that have been constructed in the wake of the global financial crisis, under...