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- W3124274977 abstract "Forecasts from a univariate autoregressive model estimated by OLS are unbiased, irrespective of whether the model fitted has the correct order; this property only requires symmetry of the distribution of the innovations. In this paper, this result is generalized to vector autoregressions and a wide class of multivariate stochastic processes (which include Gaussian stationary multivariate stochastic processes) is described for which unbiasedness of predictions holds: specifically, if a vector autoregression of arbitrary finite order is fitted to a sample from any process in this class, the fitted model will produce unbiased forecasts, in the sense that the prediction errors have distributions symmetric about zero. Different numbers of lags may be used for each variable in each autoregression and variables may even be missing, without unbiasedness being affected. This property is exact in finite samples. Similarly, the residuals from the same autoregressions have distributions symmetric about zero.(This abstract was borrowed from another version of this item.)" @default.
- W3124274977 created "2021-02-01" @default.
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- W3124274977 date "1983-01-01" @default.
- W3124274977 modified "2023-09-22" @default.
- W3124274977 title "Unbiasedness of Predictions From Estimated Vector Autoregressions" @default.
- W3124274977 hasPublicationYear "1983" @default.
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