05/02/2018

Why is it sloping up?

Change in Demand as Dependent
	Coefficient	Std Error	p value
Constant	15.29420	92.38760	0.86930
(Change in Demand)t-1	0.99600	0.14890	0.00000
(Change in Demand)t-2	-0.22340	0.14130	0.12140
(Change in Price)	59.11160	27.48870	0.03730
(Change in Price)t-1	26.58250	28.80210	0.36130
(Change in Price)t-2	-21.18360	28.68140	0.46430
Adjusted R-squared:  0.754
Change in Price as Dependent
	Coefficient	Std Error	p value
Constant	0.04618	0.49232	0.92570
(Change in Price)t-1	-0.09108	0.15436	0.55830
(Change in Price)t-2	0.02233	0.15376	0.88520
(Change in Demand)	0.00168	0.00078	0.03730
(Change in Demand)t-1	-0.00125	0.00112	0.27260
(Change in Demand)t-2	0.00057	0.00077	0.45960
Adjusted R-squared:  0.04768

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