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An Empirical Investigation of Continuous-Time Equity Return Models

Torben G. Andersen, Luca Benzoni and Jesper Lund
The Journal of Finance
Vol. 57, No. 3 (Jun., 2002), pp. 1239-1284
Published by: Wiley for the American Finance Association
Stable URL: http://www.jstor.org/stable/2697778
Page Count: 46
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An Empirical Investigation of Continuous-Time Equity Return Models
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Abstract

This paper extends the class of stochastic volatility diffusions for asset returns to encompass Poisson jumps of time-varying intensity. We find that any reasonably descriptive continuous-time model for equity-index returns must allow for discrete jumps as well as stochastic volatility with a pronounced negative relationship between return and volatility innovations. We also find that the dominant empirical characteristics of the return process appear to be priced by the option market. Our analysis indicates a general correspondence between the evidence extracted from daily equity-index returns and the stylized features of the corresponding options market prices.

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