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Correction of Measurement Error in Monthly USDA Pig Crop: Generating Alternative Data Series

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  • Kim, In-Seck
  • Plain, Ronald L.
  • Bullock, J. Bruce
  • Jei, Sang Young

Abstract

The imputed pig death loss contained in the reported monthly U.S. Department of Agriculture (USDA) pig crop data over the December 1995-June 2006 period ranged from —4.93% to 12.75%. Clearly, there are substantial measurement errors in the USDA monthly pig crop data. In this paper, we present alternative monthly U.S. pig crop data using the biological production process, which is compatible with prior knowledge of the U.S. hog industry. Alternative pig crop data are applied to a slaughter hog model and tested comparatively to USDA pig crop. Test results reject the validity of USDA pig crop data in favor of the alternative data.

Suggested Citation

  • Kim, In-Seck & Plain, Ronald L. & Bullock, J. Bruce & Jei, Sang Young, 2008. "Correction of Measurement Error in Monthly USDA Pig Crop: Generating Alternative Data Series," Journal of Agricultural and Applied Economics, Cambridge University Press, vol. 40(2), pages 697-711, August.
    • Handle: RePEc:cup:jagaec:v:40:y:2008:i:02:p:697-711_02
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