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Unifying monetary and macroprudential policy
Central banks have been using a range of monetary policy and macroprudential tools to maintain monetary and financial stability. But when should monetary versus macroprudential tools be used and how should they be combined? Our recent paper develops a macroeconomic model to answer these questions. We find that two instruments are better than one. Used alone, interest rates can control inflation, but are ineffective for financial stability. Policymakers can do better by also deploying the countercyclical capital buffer, a tool that varies the amount of additional capital banks must set aside. The appropriate ... (full story)