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Multidimensional Responses to Disease Information: How Do Winegrape Growers React to Powdery Mildew Forecasts and To What Environmental Effect?

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  • Travis J. Lybbert
  • Nicholas Magnan
  • W. Douglas Gubler

Abstract

Access to better information can enable adjustments that improve individual and social outcomes. In agriculture, accurate forecasts can be especially valuable to both producers and society at large. We analyze the impact of disease forecasts on the responses of growers along multiple margins of adjustment. Using high-resolution plot-level panel data, we analyze how California winegrape growers adjust powdery mildew control strategies in response to disease forecasts. While trials that allow only treatment timing adjustments suggest these forecasts bring large environmental benefits, in practice many growers simultaneously adjust what, when, and how much they spray. We find that the net environmental impact of this multidimensional response may actually be negative.

Suggested Citation

  • Travis J. Lybbert & Nicholas Magnan & W. Douglas Gubler, 2016. "Multidimensional Responses to Disease Information: How Do Winegrape Growers React to Powdery Mildew Forecasts and To What Environmental Effect?," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 98(2), pages 383-405.
  • Handle: RePEc:oup:ajagec:v:98:y:2016:i:2:p:383-405.
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    File URL: http://hdl.handle.net/10.1093/ajae/aav097
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    Cited by:

    1. Kaplan, Jonathan D. & Norton, Max & Baumgartner, Kendra, 2018. "An ounce of prevention and a pound of cure: the substitutability or complementarity of grapevine trunk disease management practices," 2018 Annual Meeting, August 5-7, Washington, D.C. 274361, Agricultural and Applied Economics Association.

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