Metamodelling phosphorus best management practices for policy use: A frontier approach

Robert C. Johansson, Prasanna H. Gowda, David J. Mulla, Brent J. Dalzell

Research output: Contribution to journalArticlepeer-review

26 Scopus citations


This article presents a modelling system for synthesising heterogeneous productivity and nutrient loading potentials inherent in agricultural cropland for policy use. Phosphorus abatement cost functions for cropland farmers in a southeastern Minnesota watershed are metamodelled using frontier analysis. These functions are used to evaluate policies aimed at reducing nonpoint phosphorus discharges into the Minnesota River. Results indicate an efficiently targeted policy to reduce phosphorus discharge by 40% would cost US$ or 844 per farm.

Original languageEnglish (US)
Pages (from-to)63-74
Number of pages12
JournalAgricultural Economics
Issue number1
StatePublished - Jan 2004

Bibliographical note

Funding Information:
The authors appreciate helpful comments from Marc Ribaudo, Jay Coggins, Bill Easter, John Westra and anonymous reviewers on earlier drafts of this paper. In addition, we gratefully acknowledge support from STAR Program of the EPA (grant no. R825761-01-0). The views and opinions expressed in this article and any errors contained herein are those of the authors’ and do not necessarily represent those of the US Department of Agriculture or the Economic Research Service.


  • Abatement costs
  • Nonpoint source pollution
  • Phosphorus


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