Income inequality and human capital allocation

Figures & data

Table 1. Definition of control variables.

Variable name	Variable abbreviation	Variable interpretation
Percentage of individuals involved in the region’s secondary industry	Pind2	Refers to the percentage of the output value of the region’s secondary industry in terms of regional GDP.
Percentage of individuals involved in the region’s third industry	Pind3	Refers to the percentage of output value of the region’s third industry in terms of regional GDP.
Regional social equity	Uf	Refers to the average value of regional samples' evaluation of social equity
Regional education structure	Varedu	Refers to the variance in education years among the regional samples
Number of colleges and universities in the region (average number during the past 20 years)	Colle	Refers to the average number of colleges and universities in the province where an individual has resided over the past 20 years.
Regional sex ratio	Gen_av	Refers to the percentage of male samples in the total sample.

Source: made by author.

Table 2. Intersectoral and intergenerational income inequality, and human capital mismatch results.

	Column 1	Column 2	Column 3	Column 4	Column 5
Estimation method	OLS	OLS	OLS	OLS	TSLS
Rsoe	−1.071*** (−2.853)	−0.883** (−2.336)	−0.429*** (−3.236)	−0.177*** （−3.112）	−0.079*** （−3.053）
Ela	——	10.189** (2.053)	10.164** (2.429)	11.092*** （2.777）	11.730*** （3.571）
Rsoe × Ela	——	——	−24.668*** (−5.200)	−24.283*** （−4.797）	−29.709*** （−4.653）
Pind2	——	——	——	0.210*** （3.617）	0.212*** （3.468）
Pind3	——	——	——	0.183*** （3.267）	0.191*** （3.291）
Uf	——	——	——	−2.163** （−2.077）	−2.463** （−2.121）
Varedu	——	——	——	−0.111* （−1.672）	−0.121* （−1.669）
Colle	——	——	——	−0.029** （−2.480）	−0.028** （−2.213）
Gen_av	——	——	——	−1.559* （−1.725）	−1.698 （−0.912）
Constant term	1.637*** (7.138)	1.574*** (6.963)	1.309* (6.638)	−7.178* （−1.921）	−6.058* （−1.683）
Sample size	67	67	67	67	67
F statistics	8.141	6.379	14.995	7.443	7.573
R^2	0.111	0.166	0.417	0.540	0.411
Kleibergen-Paap rk LM P-value	——	——	——	——	0.006
Cragg-Donald F statistic	——	——	——	——	11.627
Prob(Hansen J statistic)	——	——	——	——	0.185
Hausman p-value	——	——	——	——	0.614

Note: Values in parentheses are t values, ‘* * *’, ‘* *’, and ‘*’ indicate significance at the level of 1%, 5%, and 10%, respectively.

Source: made by author.