弱势农户更容易被互联网影响吗？互联网利用对农户IPM技术采纳影响的异质性分析

doi:10.1016/j.jia.2023.08.005

摘要/Abstract

摘要：

互联网被认为能够给弱势农户的绿色生产转型带来更多技术红利，但这却与偏向性技术进步理论相悖。从理性忽略的视角，基于山东省1015份农户调查数据，利用内生转换probit模型分析了互联网对农户病虫害综合治理（IPM）技术采纳的影响及其原因。研究表明：（1）互联网虽有效促进了农户IPM采纳，但并未真正给弱势农户带来更多影响，较大的选择偏差导致弱势农户的技术红利被高估；（2）技术信息获取渠道差异导致农户对互联网信息的理性忽略程度存在差别，这是互联网影响异质性的重要原因；（3）对强关系网络信息渠道的过度依赖使弱势农户容易陷入信息茧房，对互联网信息产生理性忽略，因而难以被互联网信息所影响。要更好地发挥互联网对弱势农户IPM采纳甚至绿色生产转型的促进作用，不仅需要推动互联网农业技术信息服务的适老化，还应激励善于利用互联网的农户积极分享外部信息，引导弱势农户走出信息茧房。

Abstract: The Internet is believed to bring more technological dividends to vulnerable farmers during the green agriculture transformation. However, this is different from the theory of skill-biased technological change, which emphasizes that individuals with higher levels of human capital and more technological endowments benefit more. This study investigates the effects of Internet use on farmers’ adoption of integrated pest management (IPM), theoretically and empirically, based on a dataset containing 1 015 farmers in China’s Shandong Province. By exploring the perspective of rational inattention, the reasons for the heterogeneity of the effects across farmers with different endowments, i.e., education and land size, are analyzed. The potential endogeneity issues are addressed using the endogenous switching probit model. The results reveal that: (1) although Internet use significantly positively affects farmers’ adoption of IPM, vulnerable farmers do not benefit more from it. Considerable selection bias leads to an overestimation of technological dividends for vulnerable farmers; (2) different sources of technology information lead to the difference in the degree of farmers’ rational inattention toward Internet information, which plays a crucial role in the heterogeneous effect of Internet use; and (3) excessive dependence on strong-tie social network information sources entraps vulnerable farmers in information cocoons, hindering their ability to reap the benefits of Internet use fully. Therefore, it is essential to promote services geared towards elderly-oriented Internet agricultural technology information and encourage farmers with strong Internet utilization skills to share technology information with other farmers actively.

Key words: Internet use , IPM , vulnerable farmers , technological dividends , endogenous switching probit model

LI Kai, JIN Yu, ZHOU Jie-hong. 弱势农户更容易被互联网影响吗？互联网利用对农户IPM技术采纳影响的异质性分析[J]. Journal of Integrative Agriculture, 2023, 22(10): 3220-3233.

LI Kai, JIN Yu, ZHOU Jie-hong. Are vulnerable farmers more easily influenced? Heterogeneous effects of Internet use on the adoption of integrated pest management[J]. Journal of Integrative Agriculture, 2023, 22(10): 3220-3233.

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