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Jumps and betas: A new framework for disentangling and estimating systematic risks

  • Todorov, Viktor
  • Bollerslev, Tim

We provide a new theoretical framework for disentangling and estimating the sensitivity towards systematic diffusive and jump risks in the context of factor models. Our estimates of the sensitivities towards systematic risks, or betas, are based on the notion of increasingly finer sampled returns over fixed time intervals. We show consistency and derive the asymptotic distributions of our estimators. In an empirical application of the new procedures involving high-frequency data for forty individual stocks, we find that the estimated monthly diffusive and jump betas with respect to an aggregate market portfolio differ substantially for some of the stocks in the sample.

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Article provided by Elsevier in its journal Journal of Econometrics.

Volume (Year): 157 (2010)
Issue (Month): 2 (August)
Pages: 220-235

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Handle: RePEc:eee:econom:v:157:y:2010:i:2:p:220-235
Contact details of provider: Web page: http://www.elsevier.com/locate/jeconom

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