Heteroscedasticity) volatility dynamics. DCS models are robust to extreme observations, whereas standard financial time series models are … observations, stochastic seasonality with dynamic amplitude, and volatility dynamics. These seasonality dynamics of the GTQ/USD are …

volatility property and the structural break appear to be the common intrigue features of the exchange rates in the two periods … by using the FIGARCH model. In particular, the long memory volatility properties in the two periods are found to be …-FIGARCH model to consider the long memory volatility property and the structural breaks jointly. The main finding is that the …

's dynamic properties may lead to misestimation of the intraday spot volatility. …

This study first investigates the short and long-run effectsof exchange rate, output gap and output gap volatility on … inflation volatility.Also, causality tests results indicate that changes in the exchangerate, output gap volatility, and output … gap will have permanent andtemporary causal effects on inflation volatility. The policymakersshould carefully consider …

estimation of volatility models with breaks as against those of GARCH models without volatility breaks and that the introduction … significant events in GARCH models in volatility estimation of key asset prices. …This paper examines exchange-rate volatility with GARCH models using monthly exchange-rate return series from 1985:1 to …