Research Article
Synergistic Agglomeration of Manufacturing and Logistics Industries and Urban Green Economy Efficiency: Influence and Upgrading
| Types | Measure dimension | Measure index | Symbol |
| Input | Financial capital | Fixed capital stock | X1 | Labour capital | Employees at the end of the year | X2 | Energy | Industrial electricity consumption of each city | X3 |
| Output | Expected output | GDP of each city | Y1 | Unexpected output | Comprehensive pollution index of three main industrial wastes | Z1 | CO2 emission | Z2 |
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