Variable name | (1) IPG1 | (2) IPG2 | (3) IPG1 | (4) IPG2 |
TFP_OP | TFP_OP | |||
Posc | 0.0530** | 0.0532** |
|
|
| (2.17) | (2.18) |
|
|
Pop |
|
| −0.162** | −0.162*** |
|
|
| (−2.74) | (−2.74) |
IPG | 0.00454*** | 0.00289*** | 0.00241*** | 0.00154*** |
| (5.00) | (5.03) | (5.71) | (5.77) |
IPG*Posc | −0.00179** | −0.00113** |
|
|
| (−2.19) | (−2.19) |
|
|
IPG*Pop |
|
| 0.00242*** | 0.00153*** |
|
|
| (3.49) | (3.43) |
IPG2 | −0.0000129*** | −0.0000052*** | −0.00000817*** | −0.00000328*** |
| (−3.77) | (−3.76) | (−3.16) | (−3.19) |
Constant | 1.167*** | 1.166*** | 1.226*** | 1.224*** |
| (3.84) | (3.84) | (5.00) | (4.99) |
Control | Yes | Yes | Yes | Yes |
Year/Industry | Yes | Yes | Yes | Yes |
Sample size | 5260 | 5260 | 5260 | 5260 |
adj.R2 | 0.188 | 0.189 | 0.183 | 0.183 |