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

Author

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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(02), December.
  • Handle: RePEc:ags:sojoae:30053
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    File URL: http://purl.umn.edu/30053
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    References listed on IDEAS

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    1. Battese, George E. & Coelli, Tim J., 1988. "Prediction of firm-level technical efficiencies with a generalized frontier production function and panel data," Journal of Econometrics, Elsevier, vol. 38(3), pages 387-399, July.
    2. Seale, James M, Jr, 1990. "Estimating Stochastic Frontier Systems with Unbalanced Panel Data: The Case of Floor Tile Manufactories in Egypt," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 5(1), pages 59-74, January-M.
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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. 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.

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    Keywords

    Agribusiness;

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