Showing 1 - 8 of 8
Persistent link: https://www.econbiz.de/10009772963
Persistent link: https://www.econbiz.de/10010126725
Purpose – The main purpose of this paper is to examine the asymmetry and long memory properties in the volatility of the stock indices of the PIIGS economies (Portugal, Ireland, Italy, Greece and Spain). Design/methodology/approach – The paper utilizes the wavelets approach (based on Haar,...
Persistent link: https://www.econbiz.de/10010814981
Purpose – This paper aims to test the finite sample properties of the automatic variance ratio (AVR) test and suggest suitable measure to improve its small sample properties under conditional heteroskedasticity and apply it to test the martingale hypothesis in the stock prices of the Portugal,...
Persistent link: https://www.econbiz.de/10010691559
Purpose – This paper aims to test the finite sample properties of the automatic variance ratio (AVR) test and suggest suitable measure to improve its small sample properties under conditional heteroskedasticity and apply it to test the martingale hypothesis in the stock prices of the Portugal,...
Persistent link: https://www.econbiz.de/10010711291
This paper examines the linkages among the stock markets of Portugal, Ireland, Italy, Greece, Spain and India using the vector autoregressive multivariate exponential generalised autoregressive conditional heteroskedasticity (VAR-MVEGARCH) model. We also examine the return and volatility...
Persistent link: https://www.econbiz.de/10011207762
Purpose – The main purpose of this paper is to examine the asymmetry and long memory properties in the volatility of the stock indices of the PIIGS economies (Portugal, Ireland, Italy, Greece and Spain). Design/methodology/approach – The paper utilizes the wavelets approach (based on Haar,...
Persistent link: https://www.econbiz.de/10014989652
Purpose – This paper aims to test the finite sample properties of the automatic variance ratio (AVR) test and suggest suitable measure to improve its small sample properties under conditional heteroskedasticity and apply it to test the martingale hypothesis in the stock prices of the Portugal,...
Persistent link: https://www.econbiz.de/10015014112