Disentangling Crashes from Tail Events
17 Pages Posted: 17 Oct 2010 Last revised: 21 Jun 2015
Date Written: May 31, 2011
Abstract
The study of tail events has become a central preoccupation for academics, investors and policy makers, given the recent financial turmoil. However, the question on what differentiates a crash from a tail event remains unsolved.
This article elaborates a new definition of stock market crash taking a risk management perspective based on an augmented extreme value theory methodology. An empirical test on the French stock market (1968-2008) indicates that it experienced only two crashes in 2007-2008 among the 12 identified over the whole period.
Keywords: Crash, Volatility, Risk Management, Contagion Effect, Systemic Risk
JEL Classification: C4, G01, G28, G32
Suggested Citation: Suggested Citation
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