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Efficiency Measures Using The Ray-Homothetic Function: A Multiperiod Analysis

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  • Neff, David L.
  • Garcia, Philip
  • Hornbaker, Robert H.

Abstract

Recent investigations have provided mixed assessments of farm firm efficiency. This analysis examined the efficiency of a homogeneous sample of central Illinois grain farms over a six-year period. A best-practice frontier was constructed using the ray-homothetic function, which allowed optimal farm output to vary with factor intensity. Efficiency measures were found to increase with temporal aggregation. The ray-homothetic approach was found to attribute high scale inefficiencies to larger sample farms in cases where the factor shares did not vary appreciably across farms. The findings suggest that policy recommendations regarding farm efficiency must be made with care.

Suggested Citation

  • Neff, David L. & Garcia, Philip & Hornbaker, Robert H., 1991. "Efficiency Measures Using The Ray-Homothetic Function: A Multiperiod Analysis," Southern Journal of Agricultural Economics, Southern Agricultural Economics Association, vol. 23(2), pages 1-9, December.
    • Handle: RePEc:ags:sojoae:30053
    DOI: 10.22004/ag.econ.30053
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    Cited by:

    1. Boris Bravo-Ureta & Daniel Solís & Víctor Moreira López & José Maripani & Abdourahmane Thiam & Teodoro Rivas, 2007. "Technical efficiency in farming: a meta-regression analysis," Journal of Productivity Analysis, Springer, vol. 27(1), pages 57-72, February.
    2. Neff, David L. & Garcia, Phillip, 1992. "Technical Efficiency: A Comparison of Four Frontier Methods," WAEA/ WFEA Conference Archive (1929-1995) 321397, Western Agricultural Economics Association.
    3. D. L. Neff & P. Garcia & C. H. Nelson, 1993. "Technical Efficiency: A Comparison Of Production Frontier Methods," Journal of Agricultural Economics, Wiley Blackwell, vol. 44(3), pages 479-489, September.

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