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The Relative Contribution of Jumps to Total Price Variance

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  • Xin Huang
  • George Tauchen

Abstract

We examine tests for jumps based on recent asymptotic results; we interpret the tests as Hausman-type tests. Monte Carlo evidence suggests that the daily ratio z-statistic has appropriate size, good power, and good jump detection capabilities revealed by the confusion matrix comprised of jump classification probabilities. We identify a pitfall in applying the asymptotic approximation over an entire sample. Theoretical and Monte Carlo analysis indicates that microstructure noise biases the tests against detecting jumps, and that a simple lagging strategy corrects the bias. Empirical work documents evidence for jumps that account for 7% of stock market price variance. Copyright 2005, Oxford University Press.

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File URL: http://hdl.handle.net/10.1093/jjfinec/nbi025
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Article provided by Society for Financial Econometrics in its journal Journal of Financial Econometrics.

Volume (Year): 3 (2005)
Issue (Month): 4 ()
Pages: 456-499

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Handle: RePEc:oup:jfinec:v:3:y:2005:i:4:p:456-499

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