Intraday high-frequency data of stock returns exhibit not only typical characteristics (e.g., volatility clustering and the leverage effect) but also a cyclical pattern of return volatility that is known as intraday seasonality. In this paper, we extend the stochastic volatility (SV) model for...

It is a widely known fact that the intraday seasonality of trading intervals for financial transactions such as stocks is short at the beginning of business hours and long in the middle of the day. In this paper, we extend the stochastic conditional duration (SCD) model to capture the pattern of...

From July 1978 to April 1989 Taiwan adopted a snake system by allowing the foreign exchange rate to fluctuate within a narrow band of the centered rate. Using monthly data on the Taiwan dollar/U.S. dollar exchange rate, we show that inference on the purchasing power parity hypothesis is...