Exponential Conditional Volatility Models
Faculty of Economics
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Harvey, A. (2010). Exponential Conditional Volatility Models. http://dx.doi.org/10.17863/CAM.5559
The asymptotic distribution of maximum likelihood estimators is derived for a class of exponential generalized autoregressive conditional heteroskedasticity (EGARCH) models. The result carries over to models for duration and realised volatility that use an exponential link function. A key feature of the model formulation is that the dynamics are driven by the score.
Duration models, gamma distribution, general error distribution, heteroskedasticity, leverage, score, Student's t
This record's DOI: http://dx.doi.org/10.17863/CAM.5559