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One of the most widely-used multivariate conditional volatility models is the dynamic conditional correlation (or DCC … conditional covariance model of the returns shocks rather than a dynamic conditional correlation model; (ii) provides the … correlation model; and (iii) shows that the appropriate ARCH or GARCH model for DCC is based on the standardized shocks rather …
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estimate of constant conditional correlation being 0.975 between the volatilities of the three-month and six-month futures …
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The main purpose of this paper is to evaluate the effect of crude oil price on global fertilizer prices in both the mean and volatility. The endogenous structural breakpoint unit root test, ARDL model, and alternative volatility models, including GARCH, EGARCH, and GJR models, are used to...
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