Revisiting Quality-Adjusted Price and Quantity Indices for Pesticides

Richard F. Nehring, Charlie Hallahan, Jorge Fernandez-Cornejo, Sun Ling Wang, Seth Wechsler, Jarrett Hart and Roberto Mosheim

No 205317, 2015 AAEA & WAEA Joint Annual Meeting, July 26-28, San Francisco, California from Agricultural and Applied Economics Association

Abstract: This study extends previous research, which calculated quality-adjusted price and quantity indices for the pesticides applied to corn, soybeans, cotton, and sorghum using hedonic methods (Fernandez-Cornejo and Jans, 1995). We extend the analysis through 2008 and make several econometric improvements. The analysis proceeds as follows: First, Zivot-Andrews tests are used to determine whether there are structural breaks in the data generating process. Next, we use hedonic regressions to control for pesticide quality characteristics including potency, toxicity, and persistence across active ingredients. Finally, the regression results are used to obtain preliminary estimates of the quality-adjusted price and quantity indices.

Keywords: Crop Production/Industries; Environmental Economics and Policy; Productivity Analysis; Research Methods/ Statistical Methods (search for similar items in EconPapers)
Pages: 16
Date: 2015-05-26
New Economics Papers: this item is included in nep-eff and nep-env
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Persistent link: https://EconPapers.repec.org/RePEc:ags:aaea15:205317

DOI: 10.22004/ag.econ.205317

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