| OLS | FE | GMM |
Year | 分配效率 | 分配效率 | 分配效率 |
1998 | 0.441 | 0.280 | 0.450 |
1999 | 0.431 | 0.283 | 0.441 |
2000 | 0.426 | 0.278 | 0.437 |
2001 | 0.410 | 0.260 | 0.425 |
2002 | 0.433 | 0.272 | 0.450 |
2003 | 0.482 | 0.336 | 0.495 |
2004 | 0.509 | 0.353 | 0.521 |
2005 | 0.505 | 0.359 | 0.523 |
2006 | 0.604 | 0.454 | 0.624 |
2007 | 0.747 | 0.624 | 0.759 |