Abstract
As has been stated, many financial time series are of multi-variate covariational structure which evolves gradually and will not admit a profitable opportunity without risk. Hence this point must be taken into account in efficiently analyzing such volatile time series as stock prices, interest rates, exchange rates, etc. In particular, a multivariate approach is more appropriate to des-cribe these volatile phenomena and a proper length of sample period is required to be chosen. A typical multivariate time series model sometimes used in practice is VARMA (vector-valued autoregressive moving average) model. However, as we discussed in Chapter 4, the model has the two major difficulties in applications;
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(a)
overflow of parameters
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(b)
lack of identifiable models
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© 1993 Springer Science+Business Media Dordrecht
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Kariya, T. (1993). MTV Model and its Applications. In: Quantitative Methods for Portfolio Analysis. Theory and Decision Library, vol 23. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-1721-0_5
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DOI: https://doi.org/10.1007/978-94-011-1721-0_5
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-4754-8
Online ISBN: 978-94-011-1721-0
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