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3. Consider a forecasting model with a trend where t is the t index for t 1,2, . .T. The ordinary least squares estimator of Bo and Bi are given as 81 ewhere (b) Suppose that the unit of ye is in billions but you mistakenly used w-t/1000, which is in trillions, and estimate a model Find the ordinary least squares estimator for O and δι in terms of A and β1

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b) tw e have

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