We investigate the predictability of both volatility and volume for a large sample of Japanese stocks. The particular emphasis of this paper is on assessing the performance of long memory time series models in comparison to their short-memory counterparts. Since long memory models should have a...

The turbulences in the international financial markets during the summer and autumn of 1998 put the price formation and liquidity provision mechanism in many markets under severe strain. As part of the large-scale portfolio rebalancing that took place, investors shifted a large part of their...