Abstract: Agricultural socialized services are crucial initiatives for enhancing agricultural production, which has far-reaching influence on farmers' agricultural production behaviors and economic welfare. Based on the survey data of rice farmers in Jiangxi Province in 2022, this study utilizes an endogenous switching model to analyze the impact of agricultural socialized services on farmers' economic welfare and examines the effects of agricultural socialized services on farmers' economic welfare from the perspectives of labor transfer and agricultural productivity increase. The findings reveal that agricultural socialized services can effectively improve farmers' economic welfare, the robustness test results support this conclusion. The mechanism analysis shows that agricultural socialized services can improve farmers' economic well-being through labor transfer effects and agricultural yield increase effects. Further analysis shows that agricultural socialized services have a more significant positive economic well-being for the new generation farmers with a higher degree of adoption of the services. Therefore, it is necessary to improve the agricultural socialized service system, increase the quality of agricultural socialized services from the two aspects: promoting non-agricultural employment and increasing agricultural production, and provide supporting measures, so as to improve the economic well-being of farmers.

Key words: agricultural socialized services, economic welfare, labor transfer effect, agricultural yield increase effect