Table 4 PSM-DDD empirical results.
From: The impact of carbon emissions trading on innovation bubbles in manufacturing enterprises
(1) | (2) | (3) | |
|---|---|---|---|
quantity | quality | quality_5 | |
treat×post×production | 0.0675 | 1.132** | 0.834* |
(0.743) | (1.972) | (1.669) | |
treat×post | -0.0530 | -1.384*** | -1.085** |
(-1.009) | (-2.758) | (-2.462) | |
treat×production | -0.0521 | -3.474*** | -2.989*** |
(-0.506) | (-2.933) | (-2.698) | |
post×production | -0.0605 | -0.998*** | -0.768** |
(-0.806) | (-2.906) | (-2.540) | |
post | 0.0722 | 1.059*** | 0.829*** |
(1.382) | (3.759) | (3.284) | |
production | 0.0594 | 0.855 | 0.655 |
(1.257) | (1.384) | (1.254) | |
_cons | -3.856*** | 5.694 | 6.076* |
(-4.124) | (1.504) | (1.856) | |
Controls | Yes | Yes | Yes |
Firm fixed | Yes | Yes | Yes |
Year fixed | Yes | Yes | Yes |
N | 2059 | 2059 | 2059 |
Adj.R2 | 0.791 | 0.477 | 0.482 |