Strategy Evolution in the Adoption of Conservation Tillage Technology under Time Preference Heterogeneity and Lemon Market: Insights from Evolutionary Dynamics

Dingyi Wang, Ruqiang Guo and Qian Lu

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Abstract: The promotion of Conservation Tillage Technology (CTT) is critical for mitigating global soil degradation, yet their actual adoption rates remain substantially lower than anticipated targets. Existing research predominantly focuses on static factor analyses, failing to adequately capture the dynamic evolutionary mechanisms of farmer strategic interactions and the impacts of information asymmetries in agricultural markets. This study constructs an evolutionary game model integrating heterogeneous time preferences and lemon market effects to reveal the dynamic equilibrium of technology adoption within farmer groups operating under bounded rationality. Key findings indicate that farmers with high time preferences significantly impede CTT adoption due to the excessive discounting of long-term benefits. Furthermore, the lemon market effect dictates the system's equilibrium states: 1) When the lemon market benefit ($P$) exceeds the lemon market loss ($Q$) ($P > Q$), stable tripartite coexistence of adoption strategies emerges; 2) When $P

Date: 2025-07
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