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) Price – Co-integration methodology and Error Correction Mechanism Model (b) Return and Volatility – Modified GARCH model (c …) Return and Volatility – ARMA-GARCH in mean model (Innovations Model). The study indicates that there are strong linkages in …
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choice of other frequently used GARCH model variants, like GARCH-M, TGARCH and CGARCH. …-augmented GARCH specification for the period from May 1987 to October 2013, our key findings are as follows: (i) Volatilities on …
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Financial market participants and policy-makers can benefit from a better understanding of how shocks can affect volatility over time. This study assesses the impact of structural changes and outliers on volatility persistence of three crude oil markets - Brent, West Texas Intermediate (WTI) and...
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