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Technical Change, Factor Bias, And Input Adjustments: Panel Data Evidence From The Philippines

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  • Zelek, Charles
  • Shively, Gerald E.

Abstract

We estimate a random effects stochastic frontier production function to study the impacts of irrigation on factor use on low-income rice farms in the Philippines. Irrigation precipitates a release of labor and an increase in use of fertilizer and pesticides. We find only weak statistical support for time-variant input elasticities. We study the dynamics of input adjustment by measuring the extent to which observed factor levels converge to optimal levels over time.

Suggested Citation

  • Zelek, Charles & Shively, Gerald E., 2001. "Technical Change, Factor Bias, And Input Adjustments: Panel Data Evidence From The Philippines," 2001 Annual meeting, August 5-8, Chicago, IL 20651, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
    • Handle: RePEc:ags:aaea01:20651
    DOI: 10.22004/ag.econ.20651
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    References listed on IDEAS

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    2. Shively, Gerald E., 2001. "Poverty, consumption risk, and soil conservation," Journal of Development Economics, Elsevier, vol. 65(2), pages 267-290, August.
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    7. Baltagi, Badi H & Griffin, James M, 1988. "A General Index of Technical Change," Journal of Political Economy, University of Chicago Press, vol. 96(1), pages 20-41, February.
    8. Gerald E. Shively, 2001. "Agricultural Change, Rural Labor Markets, and Forest Clearing: An Illustrative Case from the Philippines," Land Economics, University of Wisconsin Press, vol. 77(2), pages 268-284.
    9. Cornwell, Christopher & Schmidt, Peter & Sickles, Robin C., 1990. "Production frontiers with cross-sectional and time-series variation in efficiency levels," Journal of Econometrics, Elsevier, vol. 46(1-2), pages 185-200.
    10. Aigner, Dennis & Lovell, C. A. Knox & Schmidt, Peter, 1977. "Formulation and estimation of stochastic frontier production function models," Journal of Econometrics, Elsevier, vol. 6(1), pages 21-37, July.
    11. 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. Rios, Ana R. & Shively, Gerald E., 2005. "Farm size and nonparametric efficiency measurements for coffee farms in Vietnam," 2005 Annual meeting, July 24-27, Providence, RI 19159, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).

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