上游究通大学 SHANGHAI JIAO TONG UNIVERSITY 2,Social Coalition Theory in Monetary Affairs The Unholy Trinity ④Fixed Exchange Rate Autonomy of Monetary Policy ©Capital Mobility 强 。2 Mundell-Fleming:Only 2 out of 3 are possible 1日日2, Social Coalition Theory in Monetary Affairs The Unholy Trinity Fixed Exchange Rate Autonomy of Monetary Policy Capital Mobility Mundell-Fleming: Only 2 out of 3 are possible