In several recent studies unit root methods have been used in detection of financial bubbles in asset prices. The basic idea is that fundamental changes in the autocorrelation structure of relevant time series imply the presence of a rational price bubble. We provide cross-country evidence for...

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...

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...