Showing 1 - 10 of 21,290
volatility, but without the estimation problems associated with the latter, and being applicable in the multivariate setting for … model in several ways, it allows for all the primary stylized facts of financial asset returns, including volatility … EM-algorithm is developed for estimation. Each element of the vector return at time t is endowed with a common univariate …
Persistent link: https://www.econbiz.de/10010256409
can generate a plausible disaggregation of the conditional variance process, in which the components' volatility dynamics …
Persistent link: https://www.econbiz.de/10009767120
value robust volatility estimator with respect to the standard robust volatility estimator as proposed in the paper by … Muneer & Maheswaran (2018b). We show that the robust volatility ratio is unbiased both in the population as well as in finite … samples. We empirically test the robust volatility ratio on 9 global stock indices from America, Asia Pacific and EMEA markets …
Persistent link: https://www.econbiz.de/10012023869
Persistent link: https://www.econbiz.de/10013177289
Persistent link: https://www.econbiz.de/10011617883
specifications (CCC, DCC and ADCC) to investigate the return and volatility spillovers among price and return series. We use rolling … and volatility connectedness between China and U.S. clean energy stock markets …
Persistent link: https://www.econbiz.de/10013295975
In this study, the relationship between oil price movements and Turkish stock market is investigated. Given the fact that Turkey is an emerging and oil dependent country, we analyze how the stock market behaves together with the fluctuations in oil prices. The study focuses on extreme...
Persistent link: https://www.econbiz.de/10014040131
frequency volatilities and correlations ; Dynamic conditional correlation ; Spline-GARCH ; Idiosyncratic volatility ; Long …
Persistent link: https://www.econbiz.de/10003821063
We propose a copula-based periodic mixed frequency GAS framework in order to model and forecast the intraday Exposure Conditional Value at Risk (ECoVaR) for an intraday asset return and the corresponding market return. In particular we analyze GAS models which account for long-memory-type of...
Persistent link: https://www.econbiz.de/10014352170
This study is an attempt to model the volatility of stock returns in Indian market for the period 1997-2006 using GARCH …, TARCH and E-GARCH. Results point out that returns exhibit persistence and volatility clustering in both NSE Nifty and BSE … Sensex. Asymmetric volatility effect has been observed in both the series using TARCH and E-GARCH model. While forecasting …
Persistent link: https://www.econbiz.de/10014189319