Research Article
Eco-Efficiency Measurement of Green Buildings and Its Spatial and Temporal Differences Based on a Three-Stage Superefficient SBM-DEA Model
| Independent variable | Technical equipment rate slack variables | Workforce slack variables | Fixed asset investment slack variables | Building site area slack variables | Energy consumption slack variables |
| Constant term | −1.34E + 04 | 2.14E + 06 | −1.27E + 02 | 4.28E + 04 | 4.89E + 01 | (−2.30E + 03) | (3.13E + 04) | (−1.27E + 02) | (9.65E + 03) | (4.89E + 01) |
| Economic level | −5.02E − 02 | −2.52E + 01 | −4.72E + 01 | −5.97E + 01 | −1.81E − 03 | (−2.86E + 00) | (4.72E + 00) | (−7.04E + 00) | (2.46E + 00) | (1.88E + 00) |
| Urban share | 2.39E + 02 | −7.74E + 04 | 6.86E + 00 | −2.01E + 03 | −2.74E + 00 | (2.02E + 00) | (−3.24E + 01) | (1.23E + 01) | (−1.29E + 01) | (−2.74E + 00) |
| Technology support | −1.18E + 03 | 4.43E + 05 | −1.42E + 01 | 1.39E + 04 | −4.16E + 00 | (−1.05E + 02) | (3.59E + 03) | (−1.42E + 01) | (1.84E + 03) | (−4.16E + 00) |
| Energy structure | 9.49E + 01 | 6.62E + 03 | −2.35E + 00 | −2.81E + 01 | −2.86E + 01 | (2.10E + 00) | (−1.75E + 00) | (−2.86E + 00) | (−1.42E − 01) | (2.21E + 00) |
| | 7.58E + 07 | 1.00E + 12 | 2.83E + 04 | 9.51E + 08 | 2.99E + 03 | (7.58E + 07) | (1.00E + 12) | (2.83E + 04) | (9.51E + 08) | (2.99E + 03) |
| | 1.00E + 00 | 9.60E − 01 | 1.00E + 00 | 1.00E + 00 | 1.00E + 00 | (1.08E + 04) | (2.52E + 01) | (1.06E + 05) | (1.50E + 05) | (2.05E + 01) |
| Log | −2.96E + 02 | −4.39E + 02 | −1.72E + 02 | −3.33E + 02 | −1.44E + 02 |
| LR | 1.11E + 01 | 8.90E + 00 | 2.14E + 01 | 1.22E + 01 | 1.14E + 01 |
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Note. , , represent tests passing significance levels of 1%, 5%, and 10% respectively; the test values for T are in brackets. |