'Why aggregate' presentation slideshows

ISEN 315 Spring 2011 Dr. Gary Gaukler

ISEN 315 Spring 2011 Dr. Gary Gaukler. Two-equation Smoothing Model. Add linear trend: Assume D t = m + t G + e t S t = a D t + (1- a ) [ S t-1 + 1 G t-1 ], where G t -1 = 1-period trend estimate. Two-equation Smoothing Model:. Update G by exponential smoothing:

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