Korean Won / New Taiwan $ exchange rate and tourist arrivals from Korea to Taiwan, as well as their associated volatility … and Korean tourist arrivals, to test whether alternative estimates of conditional volatility are sensitive to the long … memory in the conditional mean, and to examine asymmetry and leverage in volatility. The empirical results show that the …

their associated volatility. The sample period includes the Asian economic and financial crises in 1997, and part of the … whether alternative short and long run estimates of conditional volatility are sensitive to the approximate long memory in the … conditional mean, to examine asymmetry and leverage in volatility, and to examine the effects of temporal and spatial aggregation …

accounts for time variation in macroeconomic volatility, known as the great moderation. In particular, we consider an … volatility processes and mixture distributions for the irregular components and the common cycle disturbances enable us to … that time-varying volatility is only present in the a selection of idiosyncratic components while the coefficients driving …

prices, returns and volatility of related agricultural commodities. Analyzing the spillover effects on agricultural …. The purpose of this paper is to examine the volatility spillovers for spot and futures returns on bio-ethanol and related … agricultural commodities, specifically corn and sugarcane, using the multivariate diagonal BEKK conditional volatility model. The …

For forecasting volatility of futures returns, the paper proposes an indirect method based on the relationship between … futures and the underlying asset for the returns and time-varying volatility. For volatility forecasting, the paper considers … the stochastic volatility model with asymmetry and long memory, using high frequency data for the underlying asset …