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Ephraim Maduhu Nkonya

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Personal Details

First Name: Ephraim
Middle Name: Maduhu
Last Name: Nkonya
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RePEc Short-ID: pnk4

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Homepage: http://www.ifpri.org/srstaff/NkonyaE.asp
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Affiliation

International Food Policy Research Institute (IFPRI)
Location: Washington, District of Columbia (United States)
Homepage: http://www.ifpri.org/
Email:
Phone: 202-862-5600
Fax: 202-467-4439
Postal: 2033 K Street, NW, Washington, DC 20006
Handle: RePEc:edi:ifprius (more details at EDIRC)

Works

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Working papers

  1. von Braun, Joachim & Gerber, Nicolas & Mirzabaev, Alisher & Nkonya, Ephraim M., 2013. "The Economics of Land Degradation," Working Papers 147910, University of Bonn, Center for Development Research (ZEF).
  2. Smith, Vincent H. & Marenya, Paswel Phiri & Nkonya, Ephraim M. & Droppelmann, Klaus, 2012. "The Role of Dynamic Learning Games in Improving Survey Information from Subsistence Farmers: Evidence from Malawi," 2012 Annual Meeting, August 12-14, 2012, Seattle, Washington 124635, Agricultural and Applied Economics Association.
  3. Marenya, Paswel Phiri & Smith, Vincent H. & Nkonya, Ephraim M., 2012. "Subsistence farmer preferences for alternative incentive policies to encourage the adoption of conservation agriculture in Malawi: A choice elicitation approach," 2012 Annual Meeting, August 12-14, 2012, Seattle, Washington 124010, Agricultural and Applied Economics Association.
  4. Marenya, Paswel Phiri & Nkonya, Ephraim M. & Xiong, Wei & Rossel, Jose Deustua & Edward, Kato, 2012. "Which would work better for improved soil fertility management in sub-Saharan Africa: Fertilizer Subsidies or Carbon Credits?," 2012 Conference, August 18-24, 2012, Foz do Iguacu, Brazil 126904, International Association of Agricultural Economists.
  5. Nkonya, Ephraim & Place, Frank & Pender, John & Mwanjololo, Majaliwa & Okhimamhe, Appollonia & Kato, Edward & Crespo, Susana & Ndjeunga, Jupiter & Traore, Sibiry, 2011. "Climate risk management through sustainable land management in Sub-Saharan Africa:," IFPRI discussion papers 1126, International Food Policy Research Institute (IFPRI).
  6. Nkonya, Ephraim M. & Gerber, Nicolas & Baumgartner, Philipp & von Braun, Joachim & De Pinto, Alessandro & Graw, Valerie & Kato, Edward & Kloos, Julia & Walter, Teresa, 2011. "The Economics of Desertification, Land Degradation, and Drought; Toward an Integrated Global Assessment," Discussion Papers 109326, University of Bonn, Center for Development Research (ZEF).
  7. Nkonya, Ephraim & Gerber, Nicolas & von Braun, Joachim & De Pinto, Alessandro, 2011. "Economics of land degradation: The costs of action versus inaction," Issue briefs 68, International Food Policy Research Institute (IFPRI).
  8. Kato, Edward & Nkonya, Ephraim & Place, Frank M., 2011. "Heterogeneous treatment effects of integrated soil fertility management on crop productivity: Evidence from Nigeria," IFPRI discussion papers 1089, International Food Policy Research Institute (IFPRI).
  9. Bashaasha, Bernard & Mangheni, Margaret Najjingo & Nkonya, Ephraim, 2011. "Decentralization and rural service delivery in Uganda:," IFPRI discussion papers 1063, International Food Policy Research Institute (IFPRI).
  10. Benin, Samuel & Nkonya, Ephraim & Okecho, Geresom & Randriamamonjy, Josée & Kato, Edward & Lubadde, Geofrey & Kyotalimye, Miriam & Byekwaso, Francis, 2011. "Impact of Uganda's National Agricultural Advisory Services program:," Research reports samuelbenin, International Food Policy Research Institute (IFPRI).
  11. Davis, Kristin & Nkonya, Ephraim & Kato, Edward & Mekonnen, Daniel Ayalew & Odendo, Martins & Miiro, Richard & Nkuba, Jackson, 2010. "Impact of farmer field schools on agricultural productivity and poverty in East Africa," IFPRI discussion papers 992, International Food Policy Research Institute (IFPRI).
  12. Kato, Edward & Nkonya, Ephraim & Place, Frank & Mwanjalolo, Majaliwa, 2010. "An econometric investigation of impacts of sustainable land management practices on soil carbon and yield risk: A potential for climate change mitigation," IFPRI discussion papers 1038, International Food Policy Research Institute (IFPRI).
  13. Banful, Afua B. & Nkonya, Ephraim & Oboh, Victor, 2010. "Constraints to fertilizer use in Nigeria," IFPRI discussion papers 1010, International Food Policy Research Institute (IFPRI).
  14. Peterman, Amber & Quisumbing, Agnes & Behrman, Julia & Nkonya, Ephraim, 2010. "Understanding gender differences in agricultural productivity in Uganda and Nigeria," IFPRI discussion papers 1003, International Food Policy Research Institute (IFPRI).
  15. Nkonya, Ephraim M. & Phillip, Dayo & Mogues, Tewodaj & Pender, John L. & Kato, Edward, 2009. "Impacts Of Community-Driven Development Programs On Income And Asset Acquisition In Africa: The Case Of Nigeria," 2009 Conference, August 16-22, 2009, Beijing, China 50537, International Association of Agricultural Economists.
  16. Pender, John L. & Nkonya, Ephraim M. & Kato, Edward & Kaizzi, Crammer & Ssali, Henry, 2009. "Impacts of Cash Crop Production on Land Management and Land Degradation: The Case of Coffee and Cotton in Uganda," 2009 Conference, August 16-22, 2009, Beijing, China 50760, International Association of Agricultural Economists.
  17. Nkonya, Ephraim & Phillip, Dayo & Mogues, Tewodaj & Pender, John & Yahaya, Muhammed Kuta & Adebowale, Gbenga & Arokoyo, Tunji & Kato, Edward, 2008. "From the ground up: Impacts of a pro-poor community-driven development project in Nigeria," IFPRI discussion papers 756, International Food Policy Research Institute (IFPRI).
  18. Nkonya, Ephraim & Gicheru, Patrick & Woelcke, Johannes & Okoba, Barrack & Kilambya, Daniel & Gachimbi, Louis N., 2008. "On-site and off-Site long-term economic impacts of soil fertility management practices: The case of maize-based cropping systems in Kenya," IFPRI discussion papers 778, International Food Policy Research Institute (IFPRI).
  19. Nkonya, Ephraim & Pender, John & Kaizzi, Kayuki C. & Kato, Edward & Mugarura, Samuel & Ssali, Henry & Muwonge, James, 2008. "Linkages between land management, land degradation, and poverty in Sub-Saharan Africa: The case of Uganda," Research reports 159, International Food Policy Research Institute (IFPRI).
  20. Benin, Samuel & Nkonya, Ephraim & Okecho, Geresom & Pender, John & Nahdy, Silim & Mugarura, Samuel & Kayobyo, Godfrey, 2007. "Assessing the impact of the National Agricultural Advisory Services (NAADS) in the Uganda rural livelihoods:," IFPRI discussion papers 724, International Food Policy Research Institute (IFPRI).
  21. Nkonya, Ephraim M. & Gicheru, Patrick & Woelcke, Johannes & Okoba, Barrack & Kilambya, Daniel & Gachimbi, Louis, 2006. "Out of Site out of Mind: Quantifying the Long-term Off-site economic Impacts of Land Degradation in Kenya," 2006 Annual meeting, July 23-26, Long Beach, CA 21344, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
  22. Nkonya, Ephraim & Pender, John & Jagger, Pamela & Sserunkuuma, Dick & Kaizzi, Crammer & Ssali, Henry, 2006. "Uganda: income strategies and land management," Issue briefs 45 U, International Food Policy Research Institute (IFPRI).
  23. Nkonya, Ephraim M. & Pender, John L. & Kaizzi, Crammer, 2006. "The Influence of Asset and Access Poverty on Crop Production and Land Degradation in Uganda," 2006 Annual Meeting, August 12-18, 2006, Queensland, Australia 25781, International Association of Agricultural Economists.
  24. Benin, Samuel & Place, Frank & Nkonya, Ephraim M. & Pender, John L., 2006. "Land Markets and Agricultural Land Use Efficiency and Sustainability: Evidence from East Africa," 2006 Annual Meeting, August 12-18, 2006, Queensland, Australia 25645, International Association of Agricultural Economists.
  25. Birner, Regina & Davis, Kristin & Pender, John & Nkonya, Ephraim & Anandajayasekeram, Ponniah & Ekboir, Javier & Mbabu, Adiel & Spielman, David & Horna, Daniela & Benin, Samuel & Cohen, Marc J., 2006. "From "best practice" to "best fit": a framework for designing and analyzing pluralistic agricultural advisory services worldwide," DSGD discussion papers 37, International Food Policy Research Institute (IFPRI).
  26. Birner, Regina & Davis, Kristin & Pender, John & Nkonya, Ephraim & Anandajayasekeram, Pooniah & Ekboir, Javier M. & Mbabu, Adiel N. & Spielman, David J. & Horna, Daniela & Benin, Samuel & Kisamba-Muge, 2006. "From "best practice" to "best fit": a framework for designing and analyzing pluralistic agricultural advisory services," Research briefs 4, International Food Policy Research Institute (IFPRI).
  27. Nkonya, Ephraim M. & Pender, John & Kato, Edward & Mugarura, Samuel & Muwonge, James, 2005. "Who knows, who cares?: determinants of enactment, awareness and compliance with community natural resource management," CAPRi working papers 41, International Food Policy Research Institute (IFPRI).
  28. Nkonya, Ephraim M. & Pender, John & Kaizzi, Crammer & Edward, Kato & Mugarura, Samuel, 2005. "Policy options for increasing crop productivity and reducing soil nutrient depletion and poverty in Uganda:," EPTD discussion papers 134, International Food Policy Research Institute (IFPRI).
  29. Nkonya, Ephraim M. & Pender, John L. & Jagger, Pamela & Sserunkuuma, Dick & Kaizzi, Crammer & Ssali, Henry, 2004. "Strategies for sustainable land management and poverty reduction in Uganda:," Research reports 133, International Food Policy Research Institute (IFPRI).
  30. Pender, John & Ssewanyana, Sarah & Edward, Kato & Nkonya, Ephraim M., 2004. "Linkages between poverty and land management in rural Uganda: evidence from the Uganda National Household Survey, 1999/00," EPTD discussion papers 122, International Food Policy Research Institute (IFPRI).
  31. Nkonya, Ephraim M. & Pender, John L. & Kaizzi, Crammer, 2004. "Determinants Of Soil Nutrient Balances And Implications For Addressing Land Degradation And Poverty In Uganda," 2004 Annual meeting, August 1-4, Denver, CO 20279, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
  32. Pender, John L. & Nkonya, Ephraim M. & Jagger, Pamela & Sserunkuuma, Dick & Ssali, Henry, 2003. "Strategies To Increase Agricultural Productivity And Reduce Land Degradation: Evidence From Uganda," 2003 Annual Meeting, August 16-22, 2003, Durban, South Africa 25816, International Association of Agricultural Economists.
  33. Pender, John L. & Jagger, Pamela & Nkonya, Ephraim M. & Sserunkuuma, Dick, 2001. "Development pathways and land management in Uganda: causes and implications," EPTD discussion papers 85, International Food Policy Research Institute (IFPRI).
  34. Nkonya, Ephraim M. & Barkley, Andrew P. & Hamilton, Stephen F. & Bernardo, Daniel J., 1999. "Environmental And Economic Impacts Of Soil Erosion And Fertility Mining In Northern Tanzania," 1999 Annual meeting, August 8-11, Nashville, TN 21623, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
  35. Nkonya, Ephraim M. & Featherstone, Allen M., 1999. "Determining Socially Optimal Nitrogen Application Rates Using A Delayed Response Model: The Case Of Irrigated Corn In Western Kansas," 1999 Annual Meeting, July 11-14, 1999, Fargo, ND 35737, Western Agricultural Economics Association.

Articles

  1. Davis, K. & Nkonya, E. & Kato, E. & Mekonnen, D.A. & Odendo, M. & Miiro, R. & Nkuba, J., 2012. "Impact of Farmer Field Schools on Agricultural Productivity and Poverty in East Africa," World Development, Elsevier, vol. 40(2), pages 402-413.
  2. Marenya, Paswel & Nkonya, Ephraim & Xiong, Wei & Deustua, Jose & Kato, Edward, 2012. "Which policy would work better for improved soil fertility management in sub-Saharan Africa, fertilizer subsidies or carbon credits?," Agricultural Systems, Elsevier, vol. 110(C), pages 162-172.
  3. Nkonya, Ephraim & Phillip, Dayo & Mogues, Tewodaj & Pender, John & Kato, Edward, 2012. "Impacts of Community-driven Development Programs on Income and Asset Acquisition in Africa: The Case of Nigeria," World Development, Elsevier, vol. 40(9), pages 1824-1838.
  4. Samuel Benin & Ephraim Nkonya & Geresom Okecho & Joseé Randriamamonjy & Edward Kato & Geofrey Lubade & Miriam Kyotalimye, 2012. "Impact of the National Agricultural Advisory Services (Naads) program of Uganda: Considering Different Levels of Likely Contamination with the Treatment," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 94(2), pages 386-392.
  5. Samuel Benin & Ephraim Nkonya & Geresom Okecho & Joseé Randriamamonjy & Edward Kato & Geofrey Lubade & Miriam Kyotalimye, 2011. "Returns to spending on agricultural extension: the case of the National Agricultural Advisory Services (NAADS) program of Uganda," Agricultural Economics, International Association of Agricultural Economists, vol. 42(2), pages 249-267, 03.
  6. Oni, Omobowale A. & Nkonya, Ephraim M. & Pender, John L. & Phillip, Dayo & Kato, Edward, 2009. "Analyzing Drivers of Food Crop Productivity in Nigeria," Journal of Rural Economics and Development, University of Ibadan, Department of Agricultural Economics, vol. 18.
  7. Nkonya, Ephraim & Pender, John & Kato, Edward, 2008. "Who knows, who cares? The determinants of enactment, awareness, and compliance with community Natural Resource Management regulations in Uganda," Environment and Development Economics, Cambridge University Press, vol. 13(01), pages 79-101, February.
  8. Nkonya, Ephraim & Kaizzi, Crammer & Pender, John, 2005. "Determinants of nutrient balances in a maize farming system in eastern Uganda," Agricultural Systems, Elsevier, vol. 85(2), pages 155-182, August.
  9. Pender, John & Nkonya, Ephraim & Jagger, Pamela & Sserunkuuma, Dick & Ssali, Henry, 2004. "Strategies to increase agricultural productivity and reduce land degradation: evidence from Uganda," Agricultural Economics, Blackwell, vol. 31(2-3), pages 181-195, December.
  10. Pender, John & Jagger, Pamela & Nkonya, Ephraim & Sserunkuuma, Dick, 2004. "Development Pathways and Land Management in Uganda," World Development, Elsevier, vol. 32(5), pages 767-792, May.
  11. Nkonya, Ephraim M. & Featherstone, Allen M., 2000. "Determining Socially Optimal Nitrogen Application Rates Using A Delayed Response Model: The Case Of Irrigated Corn In Western Kansas," Journal of Agricultural and Resource Economics, Western Agricultural Economics Association, vol. 25(02), December.
  12. Nkonya, Ephraim M. & Parcell, Joe L., 1999. "Redistribution of social benefits from advances in extension and research in the Tanzanian maize industry," Agricultural Economics, Blackwell, vol. 21(3), pages 231-239, December.
  13. Ephraim Nkonya & Ted Schroeder & David Norman, 1997. "Factors Affecting Adoption Of Improved Maize Seed And Fertiliser In Northern Tanzania," Journal of Agricultural Economics, Wiley Blackwell, vol. 48(1-3), pages 1-12.

NEP Fields

21 papers by this author were announced in NEP, and specifically in the following field reports (number of papers):
  1. NEP-AFR: Africa (16) 2005-02-13 2006-06-03 2008-03-25 2008-06-07 2008-08-06 2009-01-10 2010-07-17 2010-07-31 2010-09-25 2011-03-19 2011-08-02 2011-12-19 2012-05-02 2012-06-25 2012-06-25 2012-07-23. Author is listed
  2. NEP-AGR: Agricultural Economics (16) 2006-06-03 2006-09-23 2008-03-25 2008-08-06 2009-01-10 2010-07-17 2010-07-31 2010-09-25 2011-03-19 2011-08-02 2011-08-02 2011-12-19 2012-05-02 2012-06-25 2012-07-23 2013-05-05. Author is listed
  3. NEP-CMP: Computational Economics (1) 2012-07-23
  4. NEP-DEV: Development (10) 2005-02-13 2005-05-07 2006-06-03 2008-03-25 2008-06-07 2008-08-06 2009-01-10 2010-07-17 2010-07-31 2011-03-19. Author is listed
  5. NEP-EFF: Efficiency & Productivity (3) 2010-07-17 2010-07-31 2011-08-02
  6. NEP-ENE: Energy Economics (1) 2011-08-02
  7. NEP-ENV: Environmental Economics (8) 2005-05-07 2008-08-06 2009-01-10 2011-08-02 2011-12-19 2012-06-25 2012-07-23 2013-05-05. Author is listed
  8. NEP-MFD: Microfinance (1) 2010-07-17
  9. NEP-PKE: Post Keynesian Economics (1) 2006-09-23
  10. NEP-PPM: Project, Program & Portfolio Management (1) 2008-06-07

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