Table 7 Heterogeneity analysis results. *, ** and *** represent the significance level of 10%, 5% and 1%, respectively; t-statistics in parentheses.
From: Empirical evidence and role mechanisms of big data enabling corporate green development
Variable | (1) | (2) | (3) | (4) | (5) |
|---|---|---|---|---|---|
Geographical position | Enterprise size | ||||
East | Central | West | Small and medium | Big | |
DID | 0.0039** | 0.0044 | 0.0100*** | 0.0034 | 0.0044*** |
(2.1441) | (1.1872) | (4.6849) | (1.6416) | (2.7520) | |
LEV | 0.0017* | 0.0018 | − 0.0056** | 0.0037 | 0.0015 |
(1.8555) | (0.6874) | (− 2.3205) | (1.5253) | (0.9477) | |
Size | 0.0050*** | 0.0047** | − 0.0011 | 0.0065*** | 0.0047*** |
(11.9111) | (2.2801) | (− 1.0145) | (4.1113) | (3.9161) | |
ROA | 0.0180*** | 0.0329*** | − 0.0030 | 0.0176** | 0.0164* |
(4.6031) | (6.6479) | (− 0.6478) | (2.1032) | (1.7148) | |
Report | 0.0000 | − 0.0001** | 0.0001*** | 0.0000 | 0.0000 |
(1.5642) | (− 2.6777) | (4.6300) | (1.0157) | (1.6013) | |
Oversea | 0.0023*** | 0.0006 | − 0.0013 | 0.0009 | 0.0014 |
(3.0695) | (0.3002) | (− 0.9494) | (0.6904) | (1.2072) | |
Concentration_H | − 0.0134 | − 0.0278** | − 0.0176* | − 0.0347*** | − 0.0135* |
(− 1.4651) | (− 2.7277) | (− 2.0057) | (− 2.6573) | (− 1.8259) | |
_cons | − 0.0434*** | − 0.0352 | 0.0511** | − 0.0606*** | − 0.0409** |
(− 6.0081) | (− 1.0653) | (2.7175) | (− 2.7295) | (− 2.2382) | |
R2 | 0.5754 | 0.4586 | 0.5078 | 0.0142 | 0.0126 |
Firm FE | Yes | Yes | Yes | Yes | Yes |
Year FE | Yes | Yes | Yes | Yes | Yes |
N | 12,594 | 2709 | 1915 | 6972 | 10,246 |
