Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/142109
Authors: 
Uyaebo, Stephen O.
Atoi, Victor N.
Usman, Farida
Year of Publication: 
2015
Citation: 
[Journal:] CBN Journal of Applied Statistics [ISSN:] 2476-8472 [Publisher:] The Central Bank of Nigeria [Place:] Abuja [Volume:] 6 [Year:] 2015 [Issue:] 2 [Pages:] 133-160
Abstract: 
This study estimated Asymmetric generalized autoregressive conditional heteroscadasticity models with endogenous break dummy on two innovation assumptions using daily all share index of Nigeria, Kenya, United States, Germany, South Africa and China spanning from February 14, 2000 to February 14, 2013. The best fitted models are compared in terms of conditional volatility reaction to market shocks and volatility persistence alongside the asymmetric properties. The results reveal that volatility of Nigeria and Kenya stock returns react to market shock faster than as other countries do. The results also suggest the absence of leverage effect in Nigeria and Kenya stock returns, but confirm its existence in others. In conclusion, the paper suggested that less developed stock markets should improve on market infrastructure, quality of instrument traded on the floor and regulatory practices as such efforts could moderate its fast response to market fluctuations.
Subjects: 
Stock Market
Volatility
EGARCH
TGARCH
Error Distributions
JEL: 
C22
C52
C53
Document Type: 
Article

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