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Modeling Impacts Of Soil Conservation On Productivity And Yield Variability: Evidence From A Heteroskedastic Switching Regression

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  • Shively, Gerald E.

Abstract

The impact of soil conservation adoption on yield and yield risk is investigated using a conditionally heteroskedastic production function with endogenous switching. Analysis shows that controlling for plot-specific factors, adopters exhibit lower yields and higher yield variance than non-adopters. Regression results indicate soil conservation increases yields and reduces yield variance.

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File URL: http://purl.umn.edu/20930
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Bibliographic Info

Paper provided by American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association) in its series 1998 Annual meeting, August 2-5, Salt Lake City, UT with number 20930.

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Date of creation: 1998
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Handle: RePEc:ags:aaea98:20930

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Related research

Keywords: Land Economics/Use; Research Methods/ Statistical Methods;

References

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  1. Russell Davidson & James G. MacKinnon, 1981. "Tests for Model Specification in the Presence of Alternative Hypotheses: Some Further Results," Working Papers 430, Queen's University, Department of Economics.
  2. Shively, Gerald E., 1997. "Consumption risk, farm characteristics, and soil conservation adoption among low-income farmers in the Philippines," Agricultural Economics: The Journal of the International Association of Agricultural Economists, International Association of Agricultural Economists, vol. 17(2-3), December.
  3. Greene, William H, 1981. "Sample Selection Bias as a Specification Error: Comment," Econometrica, Econometric Society, vol. 49(3), pages 795-98, May.
  4. Shively, Gerald E., 1997. "Consumption risk, farm characteristics, and soil conservation adoption among low-income farmers in the Philippines," Agricultural Economics, Blackwell, vol. 17(2-3), pages 165-177, December.
  5. Lutz, Ernst & Pagiola, Stefano & Reiche, Carlos, 1994. "The Costs and Benefits of Soil Conservation: The Farmers' Viewpoint," World Bank Research Observer, World Bank Group, vol. 9(2), pages 273-95, July.
  6. Breusch, T S & Pagan, A R, 1979. "A Simple Test for Heteroscedasticity and Random Coefficient Variation," Econometrica, Econometric Society, vol. 47(5), pages 1287-94, September.
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Cited by:
  1. Shively, Gerald E., 1999. "Risks and returns from soil conservation: evidence from low-income farms in the Philippines," Agricultural Economics, Blackwell, vol. 21(1), pages 53-67, August.

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