"The effect on aggregate output depart from its normal level has inverse relation with the historical magnitude and frequency of monetary and Fiscal policy ( The varriance of price)"----Grossman, 1980.
corrollary is " The larger amount aggregate output is departed from its natural level, the larger amount of inflation is away from normal.Therefore the amount of inflation departed from its natral level is inversely related with the varriance of price by econometrics evidence." As you run regression on the effect of agrregate output, you'll get the same conlusion.



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