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Tests of excessive volatility along the lines of Shiller (1981) and Leroy and Porter (1981) count among the most …
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The performance of analysts’ forecasts has attracted increasing attention in recent years. However, as yet, no empirical study has investigated the nexus between the analyst forecast dispersion (AFD) and excess returns surrounding stock market crashes in any depth. This paper attempts to fill...
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-post and ex-ante types), of cancellation fees and of transaction taxes on asset price volatility and on the occurrence and … volatility and the frequency of flash crashes. However, these policies also imply a longer duration of flash crashes. Furthermore …, the introduction of an ex-ante circuit breaker markedly reduces price volatility and removes flash crashes. In contrast …
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