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Financial word of the day: Heteroscedasticity — meaning, usage, and why it matters more than ever
Financial word of the day: Heteroscedasticity describes a situation where risk (variance) changes with the level of a ...
Diebold and Yilmaz (2015) recently introduced variance decomposition networks as tools for quantifying and ranking the systemic risk of individual firms. The nature of these networks and their implied ...
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