Using Field-level Characteristics as Proxy Measures to Test for the Presence of Economies of Scale in Nonpoint Pollution Control
We use parametric and nonparametric methods to estimate correlations between average control cost and three field-level characteristicsâ€”field size and delivered phosphorous per field and per acreâ€”as proxies for economies of scale in controlling nonpoint pollution. We combine load and delivery-ratio estimates for more than 12,000 fields in the Bear River Basin, Utah, with estimates of control costs and effectiveness of management practices from the literature. Results suggest a negative relationship between control cost and delivered phosphorous per field and per acre. Ranking fields by phosphorous load therefore prioritizes management-practice subsidies by economies of scale.
Volume (Year): 42 (2013)
Issue (Month): 2 (August)
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