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英文文献：Incentives to Supply Enhanced Ecosystem Services from Cropland-从农田提供强化生态系统服务的激励措施
英文文献作者：Jolejole, Christina B.,Swinton, Scott M.,Lupi, Frank
英文文献摘要：
This paper examines the willingness of farmers to participate in hypothetical programs that would pay them to adopt cropping practices that enhance provision of ecosystem services from agriculture. A survey of 3,000 Michigan corn and soybean farmers elicited willingness to adopt four sets of cropping practices that reflected increasing levels of environmental stewardship. Acreage enrollments in the programs were modeled using hurdle models. The acreage that farmers would be willing to enroll depends chiefly on farm size and the perception of environmental improvements from the practices. For farms over 500 acres, the payment offered was also a significant inducement to acreage enrollment in all systems examined. This paper advances the literature on adoption of agro-environmental practices by developing a supply function for crop acreage managed for environmental stewardship. Like prior studies of environmental technology adoption in agriculture, we find that environmental attitudes and affiliations, age, education and current farming practices are influential. But we find that the low cost suppliers of environmental services are the largest farms. Agricultural policies based on payment for environmental services that aim for cost-effective environmental impact will likely achieve most of their impact from larger farms.
这篇论文考察了农民参与假设计划的意愿，这些计划将付钱给他们，让他们采用提高农业生态系统服务的种植方式。一项对密歇根州3000名玉米和大豆农民的调查表明，他们愿意采用四套反映环境管理水平提高的种植方法。这些项目的面积登记使用障碍模型进行建模。农民愿意登记的面积主要取决于农场规模和对这种做法改善环境的看法。对于超过500英亩的农场，所提供的付款也是在所有被检查系统中进行面积登记的一个重要诱因。本文通过开发用于环境管理的作物面积的供应功能，提出了采用农业环境实践的文献。就像之前在农业中采用环境技术的研究一样，我们发现环境态度和关系、年龄、教育和当前的农业实践都有影响。但我们发现，低成本的环境服务供应商是最大的农场。以支付环境服务为基础的农业政策，其目标是实现具有成本效益的环境影响，这些政策的大部分影响可能来自较大的农场。
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