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 …

electronics patents reaching close to 170,000 in 1997. For the empirical analysis, the time-varying nature of volatility in the … activity, and hence on volatility, both symmetric and asymmetric models of volatility are estimated. The estimated models are …