Abstract
We introduce an innovation expansion method for estimation of factor models for conditional variance (volatility) of a multivariate time series.We estimate the factor loading space and the number of factors by a stepwise optimization algorithm on expanding the “white noise space”. Simulation and a real data example are given for illustration.
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Pan, J., Polonik, W., Yao, Q. (2010). Estimating Factor Models for Multivariate Volatilities: An Innovation Expansion Method. In: Lechevallier, Y., Saporta, G. (eds) Proceedings of COMPSTAT'2010. Physica-Verlag HD. https://doi.org/10.1007/978-3-7908-2604-3_28
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DOI: https://doi.org/10.1007/978-3-7908-2604-3_28
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