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The Effect of Distortions in Relative Prices on Corn Productivity and Exports: A Cross-Country Study

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  • Lyons, David C.
  • Thompson, Robert L.

Abstract

This paper tests the hypothesis tliat a significant part of the observed dif­ferences in com yields among countries can be explained by differences in the corn-nitrogen price ratio. Evidence is provided that the farm level price of corn relative to the price of nitrogen fertilizer varies greatly among countires. The observed large differences reflect the price and international trade policies that exist in the respective markets for com and nitrogen fertilizer. Pooled data from 14 of the largest corn producing countries for 13 years show that the corn-nitrogen price ratio, as well as physical factors and technology, account for a significant part of the observed corn yield dif­ferences among countries. This provides evidence that policies which distort corn and fertilizer prices have a significant effect on com yields and in turn on the net trade positions of the various countries.

Suggested Citation

  • Lyons, David C. & Thompson, Robert L., 1981. "The Effect of Distortions in Relative Prices on Corn Productivity and Exports: A Cross-Country Study," Journal of Rural Development/Nongchon-Gyeongje, Korea Rural Economic Institute, vol. 4(1), June.
    • Handle: RePEc:ags:jordng:287363
    DOI: 10.22004/ag.econ.287363
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    Cited by:

    1. Bouet, Antoine & Estrades, Carmen & Laborde, David, 2011. "A poverty module of the MIRAGE model of the world economy," Conference papers 332072, Purdue University, Center for Global Trade Analysis, Global Trade Analysis Project.
    2. Alexandratos, Nikos, 1991. "World Agriculture in the Next Century: Challenges for Production and Distribution," 1991 Conference, August 22-29, 1991, Tokyo, Japan 183236, International Association of Agricultural Economists.
    3. Miguel Carriquiry & Amani Elobeid & Ryan Goodrich, 2016. "Comparing the trends and strength of determinants to deforestation in the Brazilian Amazon in consideration of biofuel policies in Brazil and the United States," Documentos de Trabajo (working papers) 16-12, Instituto de Economía - IECON.
    4. Keeney, Roman & Hertel, Thomas W., 2008. "Yield Response To Prices: Implications For Policy Modeling," Working papers 45969, Purdue University, Department of Agricultural Economics.
    5. Miguel Carriquiry & Amani Elobeid & Jerome Dumortier & Ryan Goodrich, 2020. "Incorporating Sub‐National Brazilian Agricultural Production and Land‐Use into U.S. Biofuel Policy Evaluation," Applied Economic Perspectives and Policy, John Wiley & Sons, vol. 42(3), pages 497-523, September.
    6. Vollrath, Thomas L., 1983. "Factors Affecting Agricultural Trade: An Intercountry Empirical Inquiry," Staff Reports 324726, United States Department of Agriculture, Economic Research Service.
    7. Roman Keeney & Thomas W. Hertel, 2008. "U.S. Market Potential For Dried Distillers Grain With Solubles," Working Papers 08-13, Purdue University, College of Agriculture, Department of Agricultural Economics.

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    Keywords

    Crop Production/Industries;

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