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The Impact of Agricultural Land Use Change on Lake Water Quality: Evidence from Iowa

MEYER, Kevin (2018) The Impact of Agricultural Land Use Change on Lake Water Quality: Evidence from Iowa. Studies in Agricultural Economics, 120 (2). ISSN 2063 0476 (In Press)

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Abstract

The environmental impacts of agricultural policies must be quantified to perform full cost-benefit analyses and make informed policy decisions. In this paper I use a unique panel data set to estimate the effect of changes in cropland on lake water quality. Fifteen years of water quality measurements across over 100 lakes are combined with satellite imagery and weather data. Using a dynamic panel data model, I find that the elasticity of water quality to cropland is 0.0535. To understand the policy implications, I estimate a second model to find the elasticity of cropland to crop prices. I combine these estimates to analyze the effect of the Renewable Fuel Standard (RFS). I find that the RFS decreased lake water quality; however, the magnitude of this effect is negligible.

Item Type: Article
Additional Information: Q15, Q18
Uncontrolled Keywords: Agriculture, land use, water quality
Subjects: Q - Agricultural and Natural Resource Economics – Environmental and Ecological Economics
Q - Agricultural and Natural Resource Economics – Environmental and Ecological Economics > Q00 - General
Depositing User: István Ady
Date Deposited: 28 Jun 2018 10:26
Last Modified: 28 Jun 2018 10:26
URI: http://repo.aki.gov.hu/id/eprint/3181

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