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these papers, financial econometrics methods are used whether to extract the connections between institutions or assets by …
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estimates of portfolio volatilities during 2003, 2005 and 2010, but caused a significant increase in volatility estimates in the …
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Variance after-effect is a perceptual bias in the dynamic assessment of variance. Experimental evidence shows that … predictive variance. We show theoretically how this adjustment factor affects both average and volatility of excess returns. We … related to excess volatility as predicted by the model. Further confirming the model's implications, we also show how stock …
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We propose an alternative Ratio Statistic for measuring predictability of stock prices. Our statistic is based on actual returns rather than logarithmic returns and is therefore better suited to capturing price predictability. It captures not only linear dependence in the same way as the...
Persistent link: https://www.econbiz.de/10010481079
Value at risk (VaR) and expected shortfall (ES) are two of the most widely used risk measures in economics and finance. In this paper, we use a semiparametric method, together with realized variance measures, to jointly estimate structural models for the two risk measures. The semiparametric...
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