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There appears to be a consensus that the recent instability in global financial markets may be attributable in part to the failure of financial modeling. More specifically, current risk models have failed to properly assess the risks associated with large adverse stock price behavior. In this...
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The paper develops a tail risk forecasting model that incorporates the wealth of economic and financial information available to risk managers. The approach can be viewed as a regularized extension of the two-stage GARCH-EVT model of McNeil and Frey (2000) where we permit a time-varying...
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normality of the portfolio returns leads to the underestimation of portfolio risk. Cryptocurrencies are a decentralized digital … reveal a very high excess kurtosis and skewness for returns of cryptocurrencies. In order to incorporate larger skewness and … kurtosis of the cryptocurrencies, a data-driven portfolio risk measure is minimized to obtain the optimal portfolio weights. A …
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