This article considers the use of the long memory volatility process, FIGARCH, in representing Deutschemark - US dollar spot exchange rate returns for both high and low frequency returns data. The FIGARCH model is found to be the preferred specification for both high frequency and daily returns...

Daily futures returns on six important commodities are found to be well described as FIGARCH fractionally integrated volatility processes, with small departures from the martingale in mean property. The paper also analyzes several years of high frequency intra day commodity futures returns and...

Research has generally failed to find reliable connections between official exchange-market interventions and exchange rates that are consistent with either a monetary or a portfolio-balance theory of exchange-rate determination. Recently economists have suggested that intervention might...

An investigation of whether the G-3 nations (Germany, Japan, and the U.S.) successfully maintained target zones following the G-7's February 1987 Louvre meeting. Using daily, official intervention data and simultaneous-equation techniques, the authors determine that the G-3 reacted in a manner...

Evidence that forward rates for foreign exchange are not unbiased forecasts of future spot rates suggests a time-varying risk premium. However, there is little evidence that the forecast error is related to fundamentals, although most investigations have lacked high-frequency data. In this...