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We study whether prices of traded options contain information about future extreme market events. Our option-implied conditional expectation of market loss due to tail events, or tail loss measure, predicts future market returns, magnitude, and probability of the market crashes, beyond and above...
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We investigate default probabilities and default correlations of Merton-type credit portfolio models in stress scenarios where a common risk factor is truncated. The analysis is performed in the class of elliptical distributions, a family of light-tailed to heavy-tailed distributions...
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We solve for the optimal portfolio allocation in a setting where both conditional correlation and theclustering of … when dynamic conditional correlation has been accounted for, andvice versa. Both effects have distinct portfolio … varying levels of average correlation and tail dependence coefficients. …
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The stability of the financial system is associated with systemic risk factors such as the concurrent default of numerous small obligors. Hence it is of utmost importance to study the mutual dependence of losses for different creditors in the case of large, overlapping credit portfolios. We...
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-variance mixture copulas. The goal is to develop a copula-based method with the flexibility to reproduce the correlation skew, and at … correlation skew is involved in different ways …
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