16.3 Show that the covariances y, of MA(q), the moving average process of order a, are given...

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16.3 Show that the covariances y, of MA(q), the moving average process of order

a, are given by + Yx- +84-28)0 k=1.9 k> q and that the autocorrelation function for MA(4) is given by P = 1+7++++++ 0 as in Eq. (16.17). k-1.9 k>q

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Econometric Models And Economic Forecasts

ISBN: 9780079132925

4th Edition

Authors: Robert Pindyck, Daniel Rubinfeld

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