Central banks actively engage in sterilized foreign exchange market intervention despite numerous empirical studies indicating that these operations do not systematically affect the exchange rate. Are these policies misguided and central bankers irrational? Or is evidence showing the...

This paper examines the rationale behind the massive increase in Japanese foreign exchange market intervention operations in 2003-04, and evaluates its effectiveness both in limiting yen exchange rate appreciation and influencing the direction of monetary policy. The two main questions addressed...