Table 8 Robustness check (1): Decomposition using O-R decomposition methods
From: Union membership and the wage gap between the public and private sectors: evidence from China
| Â | Endowment | Â | Price | Â |
|---|---|---|---|---|
|  | (a) | (b) loss of non-union | (c) gain of union | (d) total (b + c) |
Value: wage gap = 0.239 | 0.219 | 0.008 | 0.012 | 0.020 |
Contribution rate (%) | ||||
 Total | 91.4% | 3.4% | 5.2% | 8.6% |
Each factor | Â | Â | Â | Â |
 Union | 10.4% | − 0.2% | − 4.1% | − 4.3% |
 Education | 54.0% | 45.9% | 118.8% | 164.7% |
 Experience | 0.1% | 35.5% | 58.8% | 94.3% |
 Health | − 0.4% | − 0.9% | − 1.7% | − 2.6% |
 Gender | 3.4% | 13.1% | 21.1% | 34.2% |
 Ethnicity | 0.0% | − 0.4% | 3.7% | 3.3% |
 Married | − 0.5% | − 14.3% | − 21.1% | − 35.4% |
 Party | 3.8% | 1.2% | 2.4% | 3.6% |
 Occupation | 23.1% | − 12.4% | − 36.7% | − 49.1% |
 I ndustry | 0.0% | 9.3% | 20.8% | 30.0% |
 Region | − 14.0% | 1.4% | − 0.8% | 0.7% |
 Year | 11.7% | 4.3% | 10.2% | 14.5% |
 Constant | 0.0% | − 79.1% | − 166.3% | − 245.3% |