Since the 1980s, the market-oriented reform has realized the market value of human capital, and the rate of return on Residents' education has increased from a low level to about 10%, which is also an important reason for the widening income gap between workers with different levels of education. With the improvement of education, highly educated workers are no longer scarce, and the income from education is gradually stable, The wage ratio of workers with high and low educational background is no longer rising. In recent years, there has been a phenomenon of wage convergence, and the income gap between different educational background is narrowing.
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The guarantee of education popularization and education equity has continuously narrowed the income distribution gap