Bala, Dahiru A.; Asemota, Joseph O. - In: CBN journal of applied statistics 4 (2013) 1, pp. 89-116
This paper examines exchange-rate volatility with GARCH models using monthly exchange-rate return series from 1985:1 to … points. Our results reveal presence of volatility in the three currencies and equally indicate that most of the asymmetric … models rejected the existence of a leverage effect except for models with volatility break. Evaluating the models through …