Feng, Yuanhua - Zentrum für Finanzen und Ökonometrie, Fachbereich … - 2002
that conditional heteroskedasticity and scale change in a financial time series can be modelled simultaneously. An … proposal is applied to the daily S&P 500 and DAX 100 returns. It is shown that there are simultaneously significant conditional … heteroskedasticity and scale change in these series. …