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Mean reversion, volatility persistence, long memory, time scales, stochastic volatility, GARCH, spurious long memory … stock market crashes. Turning to the second moment of the return distribution, expected volatility, I consider mean …
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Traders in global markets operate at different local times-of-day. Suboptimal times-of-day may produce sleepiness due to daily variations in sleep/wake patterns and possibly also increased accumulation of hours awake. Global asset markets imply significantly increased heterogeneity in circadian...
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-varying uncertainty (i.e., volatility) about future economic prospects drive asset prices. These two channels of economic risks can …
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