processes. The first looks for common volatility clusters using individual GARCH models to detect whether and when respective … the detection of temporary bubbles and volatility clusters only partially agrees on the episodes of exuberance, on the …

targets on public companies' stock price returns and volatility. We find no evidence that committing or setting a target … yields higher returns but contributes to a reduction in price volatility, albeit the impact is short-lived. In view of these …

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