A Systems View Across Time and Space
Table 4 Estimation results from 2SLS model 1
From: Determinants of household electricity consumption in Greece: a statistical analysis
Dependent variable: | OLS estimation Ave. consumption | 2SLS estimation—first stage Squ. meter area | 2SLS estimation—second stage Ave. consumption |
|---|---|---|---|
Squ. meter area | 1.389*** (0.096) | ||
Squ. meter area_hat | 1.739*** (0.206) | ||
Heating hours | 36.760*** (5.537) | 5.022*** (1.209) | 34.778*** (5.654) |
Occupants | 41.054*** (4.211) | 2.616*** (0.970) | 37.367*** (4.646) |
Heating type: individual central boiler | −17.433 (12.890) | 5.673** (2.824) | −20.316 (13.025) |
Heating type: individual local units | 46.011*** (14.447) | −3.165 (3.180) | 47.131*** (14.513) |
Heating type: no heating | 11.460 (22.608) | −4.579 (4.958) | 14.886 (22.763) |
Cooling hours | 20.100*** (5.808) | −2.594* (1.337) | 20.739*** (5.839) |
Age | 18.028*** (5.502) | 1.081 (1.213) | 16.671*** (5.568) |
Secondary heater: yes | 28.585*** (10.182) | −1.282 (2.253) | 28.256*** (10.221) |
Dwelling type: single family house | 23.868** (10.716) | 22.279*** (2.313) | 12.061 (12.403) |
Cooling type: no air-conditioning | −2.776 (3.193) | ||
Bedrooms | 42.101*** (2.934) | ||
Rooms | 16.977*** (1.816) | ||
CDD | 44.644** (20.785) | 12.749*** (4.573) | 40.139* (20.995) |
Constant | −132.703*** (37.733) | −52.396*** (9.422) | −141.065*** (38.125) |
Observations | 1801 | 1801 | 1801 |
R2 | 0.290 | 0.381 | 0.285 |
Adjusted R2 | 0.286 | 0.376 | 0.280 |
Residual Std. error | 189.006 (df = 1789) | 41.402 (df = 1787) | 189.710 (df = 1789) |
F statistic | 66.475*** (df = 11; 1789) | 84.476*** (df = 13; 1787) |