Non-separability and heterogeneity in integrated agronomic-economic analysis of nonpoint-source pollution

G. A A Wossink, A. G J M Oude Lansink, P. C. Struik

Research output: Contribution to journalArticlepeer-review


This paper highlights two aspects that are crucial in the management of agricultural nonpoint-source pollution, but that are typically not taken into account in applied economic studies. Firstly, production, pollution and abatement are to be treated as non-separable to include control options provided by changes in production practices. Besides, non-separability enables proper account to be taken of the material flow through production processes and changes the perspective on optimal environmental regulations. Secondly, the resolution or level of spatio-temporal aggregation should capture the heterogeneity in the economic and ecological attributes (production condition, fixed but allocatable inputs and technology set) of the individual decision-maker's policies they intend to influence. The implications of non-separability and heterogeneity for empirical studies and for policy are illustrated by two simulation studies on nitrogen and pesticide use in crop farming. © 2001 Elsevier Science B.V. All rights reserved.
Original languageEnglish
Pages (from-to)345-357
Number of pages12
JournalEcological Economics
Issue number3
Publication statusPublished - 2001


  • Crop farming
  • Heterogeneity
  • Interdisciplinary analysis
  • Nitrogen surplus
  • Non-separability
  • Pesticides
  • Simulation models


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