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The paper considers the problem as to whether financial returns have a common volatility process in the framework of stochastic volatility models that were suggested by Harvey et al. (1994). We propose a stochastic volatility version of the ARCH test proposed by Engle and Susmel (1993), who...
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This paper suggests how to quantify asymmetries in volatility spillovers that emerge due to bad and good volatility … stocks at the disaggregate level. Moreover, the spillovers of bad and good volatility are transmitted at different magnitudes … that sizably change over time in different sectors. While negative spillovers are often of substantial magnitudes, they do …
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During crises, stock market volatility generally rises sharply, and as consequence, spillovers are identified across … Diebold and Yilmaz, we use static and rolling windows to characterize five-minute volatility spillovers. Our results show that … 77.80% of intraday volatility forecast error variance in twelve European markets comes from spillovers. Furthermore, the …
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