06/02/2018

 

Why is it sloping up?

 

 

 

 

 

Change in Demand as Dependent
	Coefficient	Std Error	p value
Constant	12.23730	91.24280	0.89390
(Change in Demand)t-1	0.93100	0.15460	0.00000
(Change in Demand)t-2	-0.33880	0.14580	0.02510
(Change in Price)	89.95010	33.81120	0.01100
(Change in Price)t-1	53.93470	38.44710	0.16800
(Change in Price)t-2	91.92350	34.94820	0.01190
Adjusted R-squared:  0.7586
Change in Price as Dependent
	Coefficient	Std Error	p value
Constant	-0.03117	0.38530	0.93590
(Change in Price)t-1	-0.55150	0.14260	0.00038
(Change in Price)t-2	-0.38560	1.47700	0.01247
(Change in Demand)	0.00160	0.00060	0.01101
(Change in Demand)t-1	-0.00005	0.00089	0.95990
(Change in Demand)t-2	0.00030	0.00065	0.65212
Adjusted R-squared:  0.3279

Note that "t-1" and "t-2" are 1- and 2-period lags.