Understanding the Global Financial Cycle

2019-03-15T13:43:04-04:00October 27, 2017|

By Maurice Obstfeld and Mahvash S. Qureshi

October 27, 2017

The boom and bust in cross-border capital flows around the global financial crisis, and in its aftermath, have rekindled debates on the existence and implications of a “global financial cycle.”

The traditional open-economy (“Mundell-Fleming”) model postulates that countries face a “trilemma”: a trade-off among the objectives of exchange rate stability, free capital mobility, and independent monetary policy. If a country chooses exchange rate stability and free capital mobility, it must give up monetary policy autonomy. Conversely, an independent monetary policy in the presence of free capital flows is possible through exchange rate flexibility. […]