5.1 Introduction
5.2 Methodology and Data
5.2.1 Model
5.2.2 Data and Variable Setting
5.3 Descriptive Statistic Results
5.3.1 Differentials of Characteristics of CPC and Non-CPC
Total | CPC | Non-CPC | Gap | ||||
---|---|---|---|---|---|---|---|
Mean | S.D | Mean | S.D | Mean | S.D | ||
Party | 0.189 | 0.392 | |||||
Log.wage | 2.191 | 0.784 | 2.482 | 0.744 | 2.123 | 0.777 | 0.359 |
Female | 0.440 | 0.496 | 0.322 | 0.467 | 0.467 | 0.499 | −0.145 |
Experience year | 28.942 | 11.193 | 29.344 | 10.658 | 28.848 | 11.313 | 0.496 |
Age | |||||||
Aged 16–29 | 0.168 | 0.373 | 0.091 | 0.288 | 0.185 | 0.389 | −0.094 |
Aged 30–39 | 0.278 | 0.448 | 0.273 | 0.445 | 0.279 | 0.449 | −0.006 |
Aged 40–49 | 0.351 | 0.477 | 0.360 | 0.480 | 0.349 | 0.477 | 0.011 |
Aged 50–60 | 0.204 | 0.403 | 0.276 | 0.447 | 0.187 | 0.390 | 0.089 |
Education | |||||||
Primary | 0.058 | 0.234 | 0.004 | 0.067 | 0.071 | 0.257 | −0.067 |
Junior high school | 0.289 | 0.453 | 0.092 | 0.289 | 0.335 | 0.472 | −0.243 |
Senior high school | 0.294 | 0.456 | 0.231 | 0.422 | 0.309 | 0.462 | −0.078 |
College | 0.179 | 0.383 | 0.247 | 0.432 | 0.163 | 0.369 | 0.084 |
University | 0.180 | 0.384 | 0.425 | 0.494 | 0.122 | 0.328 | 0.303 |
Occupation | |||||||
Manager and engineer | 0.225 | 0.417 | 0.337 | 0.473 | 0.198 | 0.399 | 0.139 |
Clerk | 0.144 | 0.351 | 0.320 | 0.466 | 0.103 | 0.304 | 0.217 |
Manufacturing worker | 0.200 | 0.400 | 0.104 | 0.305 | 0.223 | 0.416 | −0.119 |
Service worker | 0.301 | 0.459 | 0.143 | 0.350 | 0.338 | 0.473 | −0.195 |
Other | 0.129 | 0.336 | 0.096 | 0.295 | 0.137 | 0.344 | −0.041 |
Ownership type | |||||||
PUB | 0.372 | 0.483 | 0.730 | 0.444 | 0.288 | 0.453 | 0.442 |
COEs | 0.045 | 0.207 | 0.045 | 0.208 | 0.045 | 0.207 | 0.000 |
FOEs | 0.028 | 0.165 | 0.011 | 0.104 | 0.032 | 0.176 | −0.021 |
POEs | 0.256 | 0.437 | 0.099 | 0.299 | 0.293 | 0.455 | −0.194 |
Other | 0.299 | 0.458 | 0.114 | 0.318 | 0.342 | 0.474 | −0.228 |
Industry sector | |||||||
Construction | 0.053 | 0.225 | 0.029 | 0.169 | 0.059 | 0.236 | −0.030 |
Manufacturing | 0.147 | 0.354 | 0.098 | 0.297 | 0.158 | 0.365 | −0.060 |
Sales | 0.197 | 0.398 | 0.048 | 0.213 | 0.232 | 0.422 | −0.184 |
Service | 0.183 | 0.387 | 0.131 | 0.337 | 0.195 | 0.396 | −0.064 |
Other | 0.420 | 0.494 | 0.694 | 0.461 | 0.356 | 0.479 | 0.338 |
Regions | |||||||
East | 0.419 | 0.493 | 0.424 | 0.494 | 0.418 | 0.493 | 0.006 |
Central | 0.360 | 0.480 | 0.355 | 0.479 | 0.361 | 0.480 | −0.006 |
West | 0.221 | 0.415 | 0.221 | 0.415 | 0.221 | 0.415 | 0.000 |
Parent in public sector | 0.049 | 0.215 | 0.101 | 0.301 | 0.037 | 0.188 | 0.064 |
Observations | 10,611 | 2,009 | 8,602 |
5.3.2 Wage Gaps Between CPC and Non-CPC by Gender and Other Groups
CPC | Non-CPC | Gap | |
---|---|---|---|
(A) | (B) | A/B | |
Gender category | |||
Female | 19.783 | 14.689 | 1.347 |
Male | 24.396 | 18.135 | 1.345 |
Age category | |||
Aged 16–29 | 18.341 | 14.323 | 1.281 |
Aged 30–39 | 22.240 | 18.011 | 1.235 |
Aged 40–49 | 23.134 | 16.900 | 1.369 |
Aged 50–60 | 23.841 | 16.548 | 1.441 |
Education category | |||
Primary | 12.211 | 11.703 | 1.043 |
Junior high school | 20.315 | 13.562 | 1.498 |
Senior high school | 18.532 | 15.978 | 1.160 |
College | 21.263 | 19.054 | 1.116 |
University | 27.267 | 26.501 | 1.029 |
Occupation category | |||
Manager and engineer | 29.038 | 22.722 | 1.278 |
Clerk | 22.408 | 18.623 | 1.203 |
Manufacturing worker | 18.840 | 15.961 | 1.180 |
Service worker | 16.000 | 13.295 | 1.203 |
Other | 19.436 | 15.346 | 1.267 |
Ownership category | |||
PUB | 24.460 | 18.792 | 1.302 |
COEs | 16.631 | 17.086 | 0.973 |
FOEs | 30.564 | 23.890 | 1.279 |
POEs | 22.425 | 15.889 | 1.411 |
Other | 16.299 | 14.549 | 1.120 |
Industry category | |||
Construction | 21.436 | 20.230 | 1.060 |
Manufacturing | 22.849 | 16.166 | 1.413 |
Sales | 19.207 | 13.624 | 1.410 |
Service | 19.633 | 16.015 | 1.226 |
Other | 23.925 | 18.248 | 1.311 |
5.4 Econometric Analysis Results
5.4.1 Determinants of Participation in the CPC Organization
(1) | (2) | (3) | (4) | (5) | ||||||
---|---|---|---|---|---|---|---|---|---|---|
dF/dx | z-value | dF/dx | z-value | dF/dx | z-value | dF/dx | z-value | dF/dx | z-value | |
Female | −0.086*** | −11.27 | −0.077*** | −11.05 | −0.081*** | −11.60 | −0.073*** | −10.85 | −0.073*** | −10.90 |
Age (Aged 16–29) | ||||||||||
Aged 30–39 | 0.093*** | 7.10 | 0.082*** | 6.80 | 0.074*** | 6.15 | 0.065*** | 5.59 | 0.065*** | 5.60 |
Age 40–49 | 0.097*** | 7.83 | 0.156*** | 12.93 | 0.146*** | 12.19 | 0.112*** | 9.76 | 0.112*** | 9.73 |
Age 50–59 | 0.154*** | 10.59 | 0.284*** | 18.12 | 0.258*** | 16.56 | 0.206*** | 13.87 | 0.203*** | 13.65 |
Education (Primary) | ||||||||||
Junior high school | 0.188*** | 5.40 | 0.176*** | 5.14 | 0.145*** | 4.45 | 0.144*** | 4.44 | ||
Senior high school | 0.363*** | 9.72 | 0.326*** | 8.90 | 0.264*** | 7.57 | 0.261*** | 7.50 | ||
College | 0.583*** | 13.49 | 0.508*** | 11.82 | 0.407*** | 9.77 | 0.404*** | 9.71 | ||
University | 0.752*** | 17.82 | 0.681*** | 15.63 | 0.570*** | 12.94 | 0.565*** | 12.84 | ||
Occupation (Manufacturing worker) | ||||||||||
Manager and engineer | 0.061*** | 4.92 | 0.045*** | 3.62 | 0.044*** | 3.54 | ||||
Clerk | 0.202*** | 13.18 | 0.164*** | 10.6 | 0.162*** | 10.48 | ||||
Service worker | 0.007 | 0.62 | 0.051*** | 3.79 | 0.050*** | 3.73 | ||||
Other | 0.040*** | 2.87 | 0.057*** | 3.85 | 0.055** | 3.71 | ||||
Ownership (PUB) | ||||||||||
COE | −0.026* | −1.83 | −0.023*** | −1.67 | ||||||
FOE | −0.105*** | −7.18 | −0.105*** | −7.12 | ||||||
POE | −0.107*** | −12.96 | −0.107*** | −12.89 | ||||||
Other | −0.078*** | −8.32 | −0.076* | −8.14 | ||||||
Industry sector (Manufacturing) | ||||||||||
Construction | −0.028* | −1.63 | −0.028*** | −1.63 | ||||||
Sales | −0.078*** | −5.8 | −0.077*** | −5.79 | ||||||
Service | −0.017 | −1.36 | −0.018*** | −1.38 | ||||||
Other | 0.006 | 0.52 | 0.005*** | 0.39 | ||||||
Region (West) | ||||||||||
Central | −0.005 | −0.630 | 0.023*** | 2.89 | 0.023*** | 2.99 | 0.002 | 0.33 | 0.002** | 0.27 |
West | 0.000 | 0.030 | 0.038*** | 3.96 | 0.037*** | 3.97 | 0.022** | 2.49 | 0.022*** | 2.47 |
Parents in public sector | 0.066*** | 4.37 | ||||||||
Observations | 10,755 | 10,755 | 10,755 | 10,755 | 10,755 | |||||
Pseudo R2 | 0.026 | 0.191 | 0.215 | 0.254 | 0.259 | |||||
Log likelihood | −5072.898 | −4214.058 | −4087.489 | −3884.150 | −3860.729 |
5.4.2 Wage Premium of CPC Membership by Gender
(1) | (2) | (3) | (4) | ||
---|---|---|---|---|---|
Estimation 1 | CPC | 0.322*** | 0.043** | 0.024 | 0.023 |
(17.18) | (2.22) | (1.20) | (1.14) | ||
Estimation 2 | CPC | 0.020 | 0.025 | 0.025 | 0.024 |
(0.97) | (1.20) | (1.23) | (1.21) | ||
Adjusted | 0.760*** | 0.124*** | −0.013 | −0.035 | |
Item | (28.89) | (3.00) | (−0.25) | (−0.48) |
(1) | (2) | (3) | (4) | ||
---|---|---|---|---|---|
Estimation 1 | CPC | 0.347*** | 0.034 | 0.017 | 0.017 |
(10.63) | (1.03) | (0.50) | (0.51) | ||
Estimation 2 | CPC | −0.001 | −0.005 | 0.002 | 0.007 |
(−0.03) | (−0.14) | (0.06) | (0.20) | ||
Adjusted | 1.035*** | 0.320*** | 0.210** | 0.247* | |
Item | (22.10) | (4.31) | (2.12) | (1.83) |
(1) | (2) | (3) | (4) | ||
---|---|---|---|---|---|
Estimation 1 | CPC | 0.308*** | 0.048** | 0.027 | 0.028 |
(13.58) | (2.02) | (1.13) | (1.13) | ||
Estimation 2 | CPC | 0.037 | 0.038 | 0.032 | 0.030 |
(1.44) | (1.49) | (1.29) | (1.23) | ||
Adjusted | 0.631*** | 0.067 | −0.0628018 | −0.080 | |
Item | (20.00) | (1.33) | (−0.90) | (−0.81) |
5.4.3 The Decomposition Results of the Wage Gap Between CPC and Non-CPC
Values | % | |||
---|---|---|---|---|
Explained | Unexplained | Explained (%) | Unexplained (%) | |
Model 1 | ||||
Total | 0.354 | 0.006 | 98.3 | 1.7 |
Female | 0.030 | 0.020 | 8.3 | 5.6 |
Years of experience | 0.008 | −0.150 | 2.2 | −41.7 |
Education | 0.199 | 0.044 | 55.3 | 12.2 |
Occupation | 0.052 | −0.007 | 14.4 | −1.9 |
Industry | 0.000 | −0.087 | 0.0 | −24.2 |
Ownership | 0.062 | −0.094 | 17.2 | −26.1 |
Region | 0.003 | −0.120 | 0.8 | −33.3 |
Constants | 0.000 | 0.400 | 0.0 | 111.1 |
Model 2 | ||||
Total | 0.026 | 0.333 | 7.2 | 92.8 |
Selection | −0.235 | 0.611 | −65.5 | 170.2 |
Female | 0.025 | 0.019 | 7.0 | 5.3 |
Years of experience | 0.006 | −0.164 | 1.7 | −45.7 |
Education | 0.155 | 0.120 | 43.2 | 33.4 |
Occupation | 0.040 | −0.004 | 11.1 | −1.1 |
Industry | 0.041 | −0.100 | 11.4 | −27.9 |
Ownership | −0.008 | −0.094 | −2.2 | −26.2 |
Region | 0.002 | −0.119 | 0.6 | −33.1 |
Constants | 0.000 | 0.064 | 0.0 | 17.8 |
Values | % | |||
---|---|---|---|---|
Explained | Unexplained | Explained (%) | Unexplained (%) | |
Model 1 | ||||
Total | 0.419 | −0.067 | 119.0 | −19.0 |
Years of experience | −0.012 | 0.053 | −3.4 | 15.1 |
Education | 0.309 | 0.394 | 87.8 | 111.9 |
Occupation | 0.064 | −0.047 | 18.2 | −13.4 |
Industry | 0.052 | −0.065 | 14.8 | −18.5 |
Ownership | −0.002 | −0.004 | −0.6 | −1.1 |
Region | 0.008 | −0.116 | 2.3 | −33.0 |
Constants | 0.000 | −0.282 | 0.0 | −80.1 |
Model 2 | ||||
Total | −0.469 | 0.823 | −132.5 | 232.5 |
Selection | −0.711 | 1.318 | −200.8 | 372.3 |
Years of experience | −0.003 | −0.030 | −0.8 | −8.5 |
Education | 0.212 | 0.455 | 59.9 | 128.5 |
Occupation | 0.041 | −0.048 | 11.6 | −13.6 |
Industry | 0.005 | −0.040 | 1.4 | −11.3 |
Ownership | −0.021 | −0.011 | −5.9 | −3.1 |
Region | 0.008 | −0.117 | 2.3 | −33.1 |
Constants | 0.000 | −0.705 | 0.0 | −199.2 |
Values | % | |||
---|---|---|---|---|
Explained | Unexplained | Explained (%) | Unexplained (%) | |
Model 1 | ||||
Total | 0.273 | 0.035 | 88.6 | 11.4 |
Years of experience | 0.017 | −0.266 | 5.5 | −86.4 |
Education | 0.158 | −0.226 | 51.3 | −73.4 |
Occupation | 0.043 | 0.015 | 14.0 | 4.9 |
Industry | 0.046 | −0.089 | 14.9 | −28.9 |
Ownership | 0.008 | −0.15 | 2.6 | −48.7 |
Region | 0.001 | −0.128 | 0.3 | −41.6 |
Constants | 0.000 | 0.879 | 0.0 | 285.4 |
Model 2 | ||||
Total | −0.120 | 0.426 | −39.2 | 139.2 |
Selection | −0.266 | 0.598 | −86.9 | 195.4 |
Years of experience | 0.011 | −0.359 | 3.6 | −117.3 |
Education | 0.097 | −0.233 | 31.7 | −76.1 |
Occupation | 0.023 | 0.002 | 7.5 | 0.7 |
Industry | 0.016 | −0.067 | 5.2 | −21.9 |
Ownership | −0.002 | −0.150 | −0.7 | −49.0 |
Region | 0.001 | −0.130 | 0.3 | −42.5 |
Constants | 0.000 | 0.765 | 0.0 | 250.0 |