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  • Print publication year: 2008
  • Online publication date: September 2010

Chapter 2 - Economic impacts of IPM

Summary

Economic impact analyses of IPM programs measure the economic effects on producers and consumers that can be attributed to IPM programs and practices. Good impact assessments are tailored to the objectives of the programs they are evaluating. Because IPM program objectives and approaches can vary widely, there is no one-size-fits-all method for IPM impact assessment. Some IPM activities are narrowly focused, such as a new methodology for measuring pest density. Others are broad, such as a national training program in pest recognition. Small programs may have narrow impacts, while large programs may have repercussions great enough to change prices at the regional or even national level.

Despite the diversity of approaches and objectives, virtually all IPM programs aim to influence economic and health or environmental outcomes. Economic outcomes may be measured at the level of the individual management unit (e.g. a farm) or at the aggregate level of all producers and consumers in a given market. Environmental and health outcomes may be measured using indicative, average approaches or using site-specific data about environmental vulnerability. Decision makers often wish to explore the trade-offs between economic and environmental/health outcomes and methods exist for that purpose. This chapter offers an overview of economic impact analysis methods, including ways to incorporate environmental and health effects; in part this chapter also draws upon previous summaries of impact assessment methods by Norton & Mullen, 1994; Norton et al., 2001; Cuyno et al., 2005; and Norton et al., 2005.

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