Many models of exchange rate determination imply that movements in money supplies and demands should result in movements in exchange rates. Hence, if rational agents are attempting to forecast exchange rate movements, they should in the first instance forecast movements in the supplies of and...

This paper presents empirical examinations of three important aspects of stock returns: Gaussianity, linearity, and stationarity by applying time series tests based upon the higher-order spectra. If the stationary time series is Gaussian, the second order spectrum contains all the useful...