External shocks: central bank policy options
External shocks—from commodity price surges, wars, and pandemics to foreign monetary tightening and abrupt capital flow reversals—create swift and varied challenges for central banks. The suitable reaction hinges on the type of shock (demand, supply, financial, or external liquidity), its duration, and the economy’s structural traits. This article presents practical instruments, strategic considerations, illustrative cases, and the trade-offs that central banks navigate when disturbances arise outside national borders.Identifying external shocks and their policy repercussionsDemand shocks: Global demand collapses reduce export receipts and domestic output. Policy emphasis usually shifts toward supporting activity—lowering interest rates, providing liquidity, and enabling fiscal support.Supply shocks:…








