ORIGINAL RESEARCH article
Front. Sustain. Food Syst.
Sec. Climate-Smart Food Systems
Volume 9 - 2025 | doi: 10.3389/fsufs.2025.1607156
This article is part of the Research TopicBuilding Resilience Through Sustainability: Innovative Strategies In Agricultural SystemsView all articles
Policy Effects of China's Water Rights Trading on Grain Production: The Role of Market Incentives in Promoting Sustainability
Provisionally accepted
- 1Hunan Agricultural University, Changsha, China
- 2Chinese Academy of Agricultural Sciences (CAAS), Beijing, Beijing Municipality, China
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Since water is an essential input in agricultural production, the reform of water rights system can pose significant influence on water resource allocation and utilization within agri-food systems. Water rights trading has been recognized as an innovative market incentive strategy to promote sustainable water use. This study investigates the role of China's water rights trading policy played in promoting the green water use efficiency of grain production. A three-stage DEA method is adopted to evaluate the green water use efficiency with a provincial panel data from 2006 to 2020. A PSM-DID model, based on the quasi-natural experiment of China's water rights trading pilots in 2014, is employed to analyze policy effects and to explore the role of market mechanism. Results have shown that the green water use efficiency of grain production has been significantly improved after the implementation of China's water rights trading policy, and technological innovation is found to exert a mediating effect. The policy effect appears more pronounced and robust in national water rights trading pilots than in provincial ones. Heterogeneity is also detected from the perspective of water resource endowment. The efficiency improvement effect is more pronounced in areas with higher per capita water endowment or in China's main grain-selling areas. The findings reveal benefits of utilizing market mechanisms to improve the water use efficiency considering environmental constraints. This study gives reference for regions aiming to implement resource conservation and environmentally friendly policies, and also provides inspiration for fostering the sustainable development of grain production in developing countries facing resource scarcity.
Keywords: Water rights trading, Policy effect, Green efficiency, Grain production, Water Resource
Received: 07 Apr 2025; Accepted: 20 May 2025.
Copyright: © 2025 Yin, Luo and Xia. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Ning Yin, Hunan Agricultural University, Changsha, China
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