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We define a dynamic and self-adjusting mixture of Gaussian Graphical Models to cluster financial returns, and provide a … nonparametric form, which circumvents the problem of model risk and parametric assumptions that the Kalman filter and other widely …
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Hedge fund activists have ambiguous relationships with the institutional shareholders in their target firms. While some support their activities, others counter their actions. Due to their relatively small holdings in target firms, the activists typically need the cooperation of other...
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network attention proxy, network degree, provides a robust and significant cross-sectional predictability of the monthly stock …
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