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Insect Population Dynamics, Pesticide Use, and Farmworker Health

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  • David Sunding
  • Joshua Zivin

Abstract

We address the impacts of regulations designed to reduce pesticide poisoning of farmers and farm laborers. Attention is concentratedon pre-harvest interval regulations that impose a time interval between pesticide application and harvest. The incidence of poisoning is determined by aggregate pesticide use, worker exposure, and toxicity. A dynamic, stochastic model of insect population growth is developed and used to measure the incentives for pesticide use. Increasing the pre-harvest interval has an ambiguous effect on the number of harvest worker poisonings. Pesticide taxation unambiguously reduces the number of worker poisonings. Theoretical results are quantified in a case study of mevinphos application on leaf lettuce in California's Salinas Valley. Copyright 2000, Oxford University Press.

Suggested Citation

  • David Sunding & Joshua Zivin, 2000. "Insect Population Dynamics, Pesticide Use, and Farmworker Health," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 82(3), pages 527-540.
    • Handle: RePEc:oup:ajagec:v:82:y:2000:i:3:p:527-540
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    File URL: http://hdl.handle.net/10.1111/0002-9092.00044
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