| 解释变量 | 内资企业 | 港澳台企业 | 外资企业 |
| lnE | −12.4328*** | −14.6389*** | −14.2092*** |
| lnGOV | −16.5152*** | −10.4924*** | −13.1593*** |
| lnIN | −11.5665*** | −25.0672*** | −19.4345*** |
| lnIUR | −11.9238*** | −16.8957** | −9.3684*** |
| lnEX | −19.8811*** | −9.2937*** | −7.6724*** |
| lnAB | −11.0245*** | −11.0245*** | −11.0245*** |
| lnIP | −11.4834*** | −11.4834*** | −11.4834*** |
| lnFDI | −10.119*** | −11.3243*** | −11.3243*** |
| lnSCA | −6.2867*** | −5.9408*** | −5.6450*** |
| ln(AB*GOV) | −11.2659*** | −11.1310*** | −14.9155*** |
| ln(AB*IN) | −11.7142*** | −11.6934*** | −11.2986*** |
| ln(AB*FDI) | −10.1179*** | −10.1179*** | −10.1179*** |
| ln(IN*IUR) | −11.8856*** | −12.3610*** | −13.0078*** |