| 变量 | (1) | (2) | 
| GAP | GAP | |
| HSR | −0.191*** | −0.0678** | 
| 
 | (0.0256) | (0.0224) | 
| edu | 
 | −0.579 | 
| 
 | 
 | (1.036) | 
| lngdp | 
 | 0.00953 | 
| 
 | 
 | (0.00690) | 
| lncpi | 
 | 7.387 | 
| 
 | 
 | (4.840) | 
| ins | 
 | 1.610 | 
| 
 | 
 | (2.796) | 
| ssc | 
 | 0.883 | 
| 
 | 
 | (0.550) | 
| Constant | 2.482*** | −32.02 | 
| 
 | (0.0146) | (22.26) | 
| Observations | 130 | 130 | 
| R-squared | 0.124 | 0.246 | 
| Number of id | 11 | 11 |