A meta-analysis of the willingness to pay for reductions in pesticide risk exposure |
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Authors: | Florax Raymond J G M; Travisi Chiara M; Nijkamp Peter |
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Institution: | Purdue University, West Lafayette, IN 47907, USA, and Vrije Universiteit, Amsterdam, The Netherlands |
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Abstract: | We review the empirical valuation literature on pesticide riskexposure and develop a taxonomy of environmental and human healthrisks associated with pesticide usage. Meta-analysis is thenused to investigate the variation in willingness to pay (WTP)estimates for reduced pesticide risk exposure. Our findingsshow that the WTP for reduced risk exposure is 15 per cent greaterfor medium, and 80 per cent greater for high risk levels, ascompared with low risk levels. The income elasticity of reducedpesticide risk exposure is generally not significantly differentfrom zero. Stated preference approaches based on choice experimentsand revealed preference provide lower WTP estimates than contingentvaluation techniques. Survey design, type of safety device (eco-labelling,integrated pest management, or bans) and chosen payment vehicleare important drivers of the valuation results. |
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Keywords: | pesticide risk willingness to pay meta-analysis |
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