(Requires Appendix material) Your textbook states that in "the distributed lag regression model, the error term $u _ { t }$ can be correlated with its lagged values. This autocorrelation arises, because, in time series data, the omitted factors that comprise $u _ { t }$ can themselves be serially correlated." (a)Give an example what the authors have in mind.

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The Answer of (Requires Appendix material) Your textbook states that in "the distributed lag regression model, the error term $u _ { t }$ can be correlated with its lagged values. This autocorrelation arises, because, in time series data, the omitted factors that comprise $u _ { t }$ can themselves be serially correlated." (a)Give an example what the authors have in mind.

(Requires Appendix Material) Your Textbook States That in "The Distributed utu _ { t }ut​

(Requires Appendix Material) Your Textbook States That in "The Distributed $u _ { t }$