Table 6 Moderating effects test.
From: The impact of peer effect of industrial robot application on enterprise carbon emission reduction
(1) | (2) | |
|---|---|---|
Variables | lnco2 | lnco2 |
hhi | 0.239 | |
(0.485) | ||
hhi * hhi | − 0.024 | |
(1.445) | ||
lnexposure_mean1 | − 0.040*** | |
(0.010) | ||
hhi * lnexposure_mean1 | 0.566*** | |
(0.182) | ||
hhi * hhi * lnexposure_mean1 | − 0.139** | |
(0.058) | ||
er | 0.003 | |
(0.008) | ||
er * er | − 0.588 | |
(0.582) | ||
lnexposure_mean2 | − 0.030*** | |
(0.011) | ||
er * lnexposure_mean2 | − 3.366 | |
(6.009) | ||
er * er * lnexposure_mean2 | − 0.663* | |
(0.354) | ||
lnlabour | 0.002 | 0.002 |
(0.026) | (0.032) | |
lnsize | − 0.033 | − 0.028 |
(0.027) | (0.030) | |
lnage | 0.047 | − 0.019 |
(0.057) | (0.062) | |
cashflow | 0.463*** | 0.423*** |
(0.105) | (0.099) | |
roa | − 0.602*** | − 0.503*** |
(0.094) | (0.101) | |
soe | 0.084* | 0.059 |
(0.051) | (0.053) | |
_cons | 6.350*** | 6.442*** |
(0.468) | (0.456) | |
Obs | 7267 | 7267 |
Firm/year | Yes | Yes |
R-squared | 0.043 | 0.036 |