The marginal reward of labor is decreasing & the minus effect of low labor productivity is outstanding.

劳动力边际报酬递减，农业劳动力生产率低的负效应凸显；

youdao

That increased productivity enables workers to earn higher wages, as wages in a competitive market equal the marginal productivity of labor (what the worker adds to production).

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The upsides would be that workers may better learn about their marginal productivity, and it could thus lead to more efficient allocations of labor.

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