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This paper builds a general test of contagion in financial markets based on bivariate correlation analysis - a test … that can be interpreted as an extension of the normal correlation theorem. Contagion is defined as a structural break in … contributions in the literature as special cases of our test. We show that, while the literature on correlation analysis of …
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This study introduces the dynamic Gerber model (DGC) and evaluates its performance in the prediction of Value at Risk (VaR) and Expected Shortfall (ES) compared to alternative parametric, non-parametric and semi-parametric methods for estimating the covariance matrix of returns. Based on ES...
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