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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.

Suggested Citation

  • Shively, Gerald E., 1998. "Modeling Impacts Of Soil Conservation On Productivity And Yield Variability: Evidence From A Heteroskedastic Switching Regression," 1998 Annual meeting, August 2-5, Salt Lake City, UT 20930, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
    • Handle: RePEc:ags:aaea98:20930
    DOI: 10.22004/ag.econ.20930
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    5. Gerald E. Shively, 1997. "Consumption risk, farm characteristics, and soil conservation adoption among low‐income farmers in the Philippines," Agricultural Economics, International Association of Agricultural Economists, vol. 17(2-3), pages 165-177, December.
    6. Lutz, Ernst & Pagiola, Stefano & Reiche, Carlos, 1994. "The Costs and Benefits of Soil Conservation: The Farmers' Viewpoint," The World Bank Research Observer, World Bank, vol. 9(2), pages 273-295, July.
    7. Breusch, T S & Pagan, A R, 1979. "A Simple Test for Heteroscedasticity and Random Coefficient Variation," Econometrica, Econometric Society, vol. 47(5), pages 1287-1294, September.
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    Cited by:

    1. Menale Kassie & John Pender & Mahmud Yesuf & Gunnar Kohlin & Randy Bluffstone & Elias Mulugeta, 2008. "Estimating returns to soil conservation adoption in the northern Ethiopian highlands," Agricultural Economics, International Association of Agricultural Economists, vol. 38(2), pages 213-232, March.
    2. Ng’ombe, John N. & Kalinda, Thomson H. & Tembo, Gelson, 2017. "Does adoption of conservation farming practices result in increased crop revenue? Evidence from Zambia," Agrekon, Agricultural Economics Association of South Africa (AEASA), vol. 56(2), March.
    3. Kato, E., 2009. "Soil and water conservation technologies: a buffer against production risk in the face of climate change?: insights from the Nile Basin in Ethiopia," IWMI Working Papers H042477, International Water Management Institute.
    4. 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.
    5. Kassie, Menale & Pender, John & Yesuf, Mahmud & Köhln, Gunnar & Mulugeta, Elias, 2008. "The Role of Soil Conservation on Mean Crop Yield and Variance of Yield: Evidence from the Ethiopian Highlands," RFF Working Paper Series dp-08-08-efd, Resources for the Future.
    6. Zhunusova, Eliza & Kyalo Willy, Daniel & Holm-Müller, Karin, 2013. "An Analysis of Returns to Integrated Soil Conservation Practices in the Lake Naivasha Basin, Kenya," 2013 Fourth International Conference, September 22-25, 2013, Hammamet, Tunisia 160676, African Association of Agricultural Economists (AAAE).
    7. Jules Ngango & Seung Gyu Kim, 2019. "Assessment of Technical Efficiency and Its Potential Determinants among Small-Scale Coffee Farmers in Rwanda," Agriculture, MDPI, vol. 9(7), pages 1-12, July.
    8. Bryan, Elizabeth & Ringler, Claudia & Okoba, Barrack & Koo, Jawoo & Herrero, Mario & Silvestri, Silvia, 2011. "Agricultural management for climate change adaptation, greenhouse gas mitigation, and agricultural productivity: Insights from Kenya," IFPRI discussion papers 1098, International Food Policy Research Institute (IFPRI).

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