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    題名: A note on mean squared prediction error under the unit root model with deterministic trend
    作者: Yu, Shu-hui;Lin, Chien-chih;Cheng, Hung-wen
    貢獻者: 淡江大學財務金融學系
    關鍵詞: Deterministic time trend;Fisher information matrix;mean squared prediction error;unit root
    日期: 2012-03
    上傳時間: 2012-07-17 19:44:44 (UTC+8)
    出版者: England: John Wiley & Sons Ltd
    摘要: Assume that observations are generated from the first-order autoregressive (AR) model with linear time trend and the unknown model coefficients are estimated by least squares. This article develops an asymptotic expression for the mean squared prediction error (MSPE) of the least squares predictor in the presence of a unit root. As a by-product, we also obtain a connection between the MSPE and the growth rate of the Fisher information. The key technical tool used to derive these results is the negative moment bound for the minimum eigenvalue of the normalized Fisher information matrix.
    關聯: Journal of Time Series Analysis 33(2), pp.276-286
    DOI: 10.1111/j.1467-9892.2011.00757.x
    顯示於類別:[財務金融學系暨研究所] 期刊論文

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