Le, Nhat - Development and Policies Research Center (Depocen) - 2009
. When new information arrives, the market's expectations change. Therefore, prices fluctuate. Thus, price volatility is due … to information arrivals and hence, volatility can be forecast, based on the up-to-date information. However, when the … frame work to study risk and return, so that, we can gain a better understanding of market volatility. …