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Vine copulas: modelling systemic risk and enhancing higher‐moment portfolio optimisation

Rand Kwong Yew Low

Accounting and Finance, 2018, vol. 58, issue S1, 423-463

Abstract: Asymmetric dependence in equities markets has been shown to have detrimental effects on portfolio diversification as assets within the portfolio exhibit greater correlations during market downturns compared to market upturns. By applying the Clayton canonical vine copula (CVC) to model asymmetric dependence, we produce a measure of systemic risk across a portfolio of assets. In addition, we use the Clayton CVC to produce estimates of expected returns in an application to higher‐moment portfolio optimisation and find evidence of an improvement in performance across a range of risk‐adjusted return measures and the indices of acceptability.

Date: 2018
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