Table 2.
Estimates of the Prais-Wisten regression on water consumption.
| Constant | Dummy (Period) | R² | Conclusion | |||
|---|---|---|---|---|---|---|
| Commercial | 2086.42 (76.63) | *** | −871.26(108.05) | *** | 0.57 | Decreasing |
| Industrial | 3660.55 (232.67) | *** | −1870.97 (321.44) | *** | 0.44 | Decreasing |
| Public | 1027.11(95.68) | *** | −228.13 (117.30) | * | 0.24 | Decreasing |
| Residential | 8280.48 (430.94) | *** | 432.53 (442.37) | 0.36 | - | |
| Overall | 14542.44(793.13) | *** | −1457.06(948.86) | 0.36 | – |
Notes: (*), (**), and (***) denote statistical significance at the 10%, 5%, and 1% levels, respectively. The values in parentheses are standard errors.