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- W1953844655 abstract "Abstract This work studies wavelet-based Whittle estimator of the fractionally integrated exponential generalized autoregressive conditional heteroscedasticity (FIEGARCH) model often used for modeling long memory in volatility of financial assets. The newly proposed estimator approximates the spectral density using wavelet transform, which makes it more robust to certain types of irregularities in data. Based on an extensive Monte Carlo study, both behavior of the proposed estimator and its relative performance with respect to traditional estimators are assessed. In addition, we study properties of the estimators in presence of jumps, which brings interesting discussion. We find that wavelet-based estimator may become an attractive robust and fast alternative to the traditional methods of estimation. In particular, a localized version of our estimator becomes attractive in small samples." @default.
- W1953844655 created "2016-06-24" @default.
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- W1953844655 date "2017-01-01" @default.
- W1953844655 modified "2023-09-26" @default.
- W1953844655 title "Estimation of long memory in volatility using wavelets" @default.
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- W1953844655 doi "https://doi.org/10.1515/snde-2016-0101" @default.
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