| 
 | 回归系数 | 系数标准差 | t-statistic | Prob | 
| C | −11.46594 | 3.184265 | −3.600811 | 0.0070 | 
| lnER | 0.258503 | 0.111053 | 2.327741 | 0.0483 | 
| lnFDI | 0.256735 | 0.102143 | −2.513493 | 0.0331 | 
| lnRD | 1.421528 | 0.397582 | −3.575434 | 0.0072 | 
| lnGDP | 1.293295 | 0.584052 | 3.926528 | 0.0044 |