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The rural population aging poses a great challenge to China’s agricultural production, which is dominated by small farmers. Based on the panel data of 30 provinces or cities (except Tibet) in China from 2005 to 2020, the DEA-Malmquist index is employed to measure the agricultural total factor productivity (ATFP) in each province (city), and then the mediation effect model is used to reveal the mechanism by which the rural population aging affects the ATFP through farmland transfer, agricultural social services, and agricultural machinery. The results show that the rural population aging has made a significant contribution to the ATFP, and farmland transfer, agricultural socialized services and agricultural machinery have a intermediary effect on the increase of the ATFP. Further decomposition of ATFP reveals that the rural population aging can significantly contribute to the scale efficiency and technical progress rate through farmland transfer, agricultural socialization services and agricultural machinery, but does not have a significant effect on pure technical efficiency. In order to promote the high-quality and high-efficiency development of agriculture in the context of population aging, it is necessary to optimize the market environment for farmland transfer, improve the agricultural socialized service system, and continue to strengthen agricultural science and technology innovation.
Su et al. (Thu,) studied this question.