English, Article, Journal or magazine article edition: Subsampling realised kernels Peter Reinhard Hansen; Neil Shephard; Ole E. Barndorff-Nielsen; ...

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Bookmark: http://trove.nla.gov.au/version/21082
Physical Description
  • preprint
Language
  • English

Edition details

Title
  • Subsampling realised kernels
Author
  • Peter Reinhard Hansen
  • Neil Shephard
  • Ole E. Barndorff-Nielsen
  • Asger Lunde
Physical Description
  • preprint
Notes
  • RePEc:sbs:wpsefe:2006fe06
  • Bipower variation; Long run variance estimator; Market frictions; Quadratic variation; Realised kernel; Realised variance; Subsampling.
  • RePEc:nuf:econwp:0610
  • In a recent paper we have introduced the class of realised kernel estimators of the increments of quadratic variation in the presence of noise. We showed that this estimator is consistent and derived its limit distribution under various assumptions on the kernel weights. In this paper we extend our analysis, looking at the class of subsampled realised kernels and we derive the limit theory for this class of estimators. We find that subsampling is highly advantageous for estimators based on discontinuous kernels, such as the truncated kernel. For kinked kernels, such as the Bartlett kernel, we show that subsampling is impotent, in the sense that subsampling has no effect on the asymptotic distribution. Perhaps surprisingly, for the efficient smooth kernels, such as the Parzen kernel, we show that subsampling is harmful as it increases the asymptotic variance. We also study the performance of subsampled realised kernels in simulations and in empirical work.
  • Bipower Variation, Long Run Variance Estimator, Market Frictions, Quadratic Variation, Realised Kernal, Realised Variance, Subsampling
  • RePEc:oxf:wpaper:278
Language
  • English
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