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We explore properties of asymmetric generalized autoregressive conditional heteroscedasticity (GARCH) models in the threshold GARCH (GTARCH) family and propose a more general Spline-GTARCH model, which captures high-frequency return volatility, low-frequency macroeconomic volatility as well as...
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This study employs the gravity model to estimate the extent of the contribution of six African trade blocs to the … Africa respectively. This study concludes that African countries are emerging with great export potentials, therefore …
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