Below are the price and demand graphs for the day, the demand curve and model results. The model can be found below the graphs. Note that the model choice is not frequently subject to change and can be found in a future methodology note.
Why is it sloping up?
| Change in Demand as Dependent |
| |
Coefficient |
Std Error |
p value |
| Constant |
14.22640 |
84.45910 |
0.86704 |
| (Change in Demand)t-1 |
1.20330 |
0.14870 |
0.00000 |
| (Change in Demand)t-2 |
-0.43990 |
0.14470 |
0.00405 |
| (Change in Price) |
52.52200 |
26.61230 |
0.05503 |
| (Change in Price)t-1 |
-60.08950 |
27.22950 |
0.03285 |
| (Change in Price)t-2 |
53.28550 |
28.01350 |
0.06403 |
| Adjusted
R-squared: 0.7921 |
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| Change in Price as
Dependent |
| |
Coefficient |
Std Error |
p value |
| Constant |
-0.14110 |
0.46810 |
0.76500 |
| (Change in Price)t-1 |
0.12410 |
0.15840 |
0.43800 |
| (Change in Price)t-2 |
-0.19500 |
0.15910 |
0.22700 |
| (Change in Demand) |
0.00162 |
0.00082 |
0.05500 |
| (Change in Demand)t-1 |
-0.00020 |
0.00132 |
0.88000 |
| (Change in Demand)t-2 |
0.00006 |
0.00089 |
0.94800 |
| Adjusted R-squared: 0.2134 |
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| Note that "t-1" and "t-2" are 1- and 2-period lags. |
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