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Environment-Specific Rates and Biases of Technical Change in Agriculture

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  • Ian A. Coxhead

Abstract

In developing countries, growth rates of agricultural technology exhibit wide variation across environments because of heterogeneity of land quality. Technical change analyses employing aggregate data typically capture this information very imperfectly, because observation units rarely coincide with areas of environmental uniformity. The author presents a model permitting environment-specific variation in the rate and factor bias of technical change when information on environmental qualities is limited. An application using Philippine data reveals substantial discrepancies between stylized irrigated and nonirrigated areas in the rate and biases of technical change. Implications of these differences for employment growth and income distribution are analyzed.

Suggested Citation

  • Ian A. Coxhead, 1992. "Environment-Specific Rates and Biases of Technical Change in Agriculture," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 74(3), pages 592-604.
    • Handle: RePEc:oup:ajagec:v:74:y:1992:i:3:p:592-604.
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    File URL: http://hdl.handle.net/10.2307/1242572
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    Cited by:

    1. Ian Coxhead & Sisira Jayasuriya, 1994. "Technical Change in Agriculture and Land Degradation in Developing Countries: A General Equilibrium Analysis," Land Economics, University of Wisconsin Press, vol. 70(1), pages 20-37.
    2. Hung-Hao, Chang & Boisvert, Richard N. & Tauer, Loren W., 2008. "Explaining Changes in the Distribution of Annual Dairy Farm Income over Time," 2008 Annual Meeting, July 27-29, 2008, Orlando, Florida 6544, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
    3. Ian A. Coxhead & Peter G. Warr, 1995. "Does Technical Progress In Agriculture Alleviate Poverty? A Philippine Case Study," Australian Journal of Agricultural and Resource Economics, Australian Agricultural and Resource Economics Society, vol. 39(1), pages 25-54, April.
    4. Shumway, C. Richard, 1995. "Recent Duality Contributions In Production Economics," Journal of Agricultural and Resource Economics, Western Agricultural Economics Association, vol. 20(1), pages 1-17, July.
    5. Agbola, Frank W. & Harrison, Stephen R., 2005. "Empirical investigation of investment behaviour in Australia's pastoral region," Australian Journal of Agricultural and Resource Economics, Australian Agricultural and Resource Economics Society, vol. 49(1), pages 1-16.
    6. Agbola, Frank W., 2005. "Optimal intertemporal investment in Australian agriculture: An empirical investigation," Agricultural Economics Review, Greek Association of Agricultural Economists, vol. 6(2), pages 1-11.

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