水权退出计划的目标定位:来自堪萨斯的证据

Targeting of Water Rights Retirement Programs: Evidence from Kansas

American Journal of Agricultural Economics · 2020
被引 17
人大 AABS 3

中文导读

评估堪萨斯州上阿肯色河流域的水权退出计划对用水的影响,发现每退出1英亩灌溉权可减少约1.28英亩-英尺的年用水量,且基于历史用水量的激励方案成本效益更高。

Abstract

This article assesses the water use impacts of the Conservation Reserve Enhancement Program in the Upper Arkansas River basin in Kansas, a water rights retirement program aimed at reducing depletion of the High Plains Aquifer. First, I use a fixed effects model with matched samples of farmers to determine the effect of the program on the water use of individuals who retire acreage. I find that every acre authorized for irrigation that is retired in the program represents about 1.28 acre‐feet of water that would have been used each year. Further, I do not find evidence that farmers increase their water use in an effort to satisfy program eligibility requirements. Second, I estimate a probit regression to determine which factors most influence the probability that a farmer retires a water right. Using the results of the probit regression, I then simulate enrollment decisions outside of the policy region to assess how features of the program impact its cost effectiveness and how the policy design could be improved. I find that programs that base incentives on past levels of water extraction lead to more water use reductions per dollar paid.

水权退出计划高平原含水层灌溉用水量政策成本效益