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The Impact of Improved Maize Varieties on Poverty in Mexico: A Propensity Score-Matching Approach

  • Becerril, Javier
  • Abdulai, Awudu

Summary This study examines the adoption of improved maize germplasm in Oaxaca and Chiapas in Mexico. It employs a propensity score-matching approach to analyze the impact of the adoption of improved maize varieties on household income and poverty reduction, using cross-sectional data of 325 farmers from the two regions. The findings reveal a robust positive and significant impact of improved maize variety adoption on farm household welfare measured by per capita expenditure and poverty reduction. Specifically, the empirical results suggest that adoption of improved maize varieties helped raise household per capita expenditure by an average of 136-173 Mexican pesos, thereby reducing their probability of falling below the poverty line by roughly 19-31%.

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Article provided by Elsevier in its journal World Development.

Volume (Year): 38 (2010)
Issue (Month): 7 (July)
Pages: 1024-1035

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Handle: RePEc:eee:wdevel:v:38:y:2010:i:7:p:1024-1035
Contact details of provider: Web page: http://www.elsevier.com/locate/worlddev

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  1. Bellon, Mauricio R. & Adato, Michelle & Becerril, Javier & Mindek, Dubravka, 2006. "Poor farmers' perceived benefits from different types of maize germplasm: The case of creolization in lowland tropical Mexico," World Development, Elsevier, vol. 34(1), pages 113-129, January.
  2. Karanja, D.D. & Renkow, M. & Crawford, E.W., 2003. "Welfare effects of maize technologies in marginal and high potential regions of Kenya," Agricultural Economics of Agricultural Economists, International Association of Agricultural Economists, vol. 29(3), December.
  3. Smale, M. & Bellon, M.R. & Aguirre, J.A. & Rosas, I. Manuel & Mendoza, J. & Solano, A.M. & Martinez, R. & Ramirez, A. & Berthaud, J., 2003. "The economic costs and benefits of a participatory project to conserve maize landraces on farms in Oaxaca, Mexico," Agricultural Economics of Agricultural Economists, International Association of Agricultural Economists, vol. 29(3), December.
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  5. Jalan, Jyotsna & Ravallion, Martin, 2003. "Does piped water reduce diarrhea for children in rural India?," Journal of Econometrics, Elsevier, vol. 112(1), pages 153-173, January.
  6. Rajeev H. Dehejia & Sadek Wahba, 1998. "Propensity Score Matching Methods for Non-experimental Causal Studies," NBER Working Papers 6829, National Bureau of Economic Research, Inc.
  7. Morris, Michael L., 2002. "Impacts Of International Maize Breeding Research In Developing Countries, 1966-98," Impact Studies 23722, CIMMYT: International Maize and Wheat Improvement Center.
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  9. Morris, Michael L. & Tripp, Robert & Dankyi, A.A., 1999. "Adoption and Impacts of Improved Maize Production Technology: A Case Study of the Ghana Grains Development Project," Economics Program Papers 48767, CIMMYT: International Maize and Wheat Improvement Center.
  10. Jeffrey Smith & Petra Todd, 2003. "Does Matching Overcome Lalonde's Critique of Nonexperimental Estimators?," University of Western Ontario, CIBC Centre for Human Capital and Productivity Working Papers 20035, University of Western Ontario, CIBC Centre for Human Capital and Productivity.
  11. Richard Blundell & Monica Costa Dias, 2000. "Evaluation methods for non-experimental data," Fiscal Studies, Institute for Fiscal Studies, vol. 21(4), pages 427-468, January.
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  13. Binswanger, Hans P & von Braun, Joachim, 1991. "Technological Change and Commercialization in Agriculture: The Effect on the Poor," World Bank Research Observer, World Bank Group, vol. 6(1), pages 57-80, January.
  14. Bellon, Mauricio R. & Risopoulos, Jean, 2001. "Small-Scale Farmers Expand the Benefits of Improved Maize Germplasm: A Case Study from Chiapas, Mexico," World Development, Elsevier, vol. 29(5), pages 799-811, May.
  15. Awudu Abdulai & Wallace E. Huffman, 2005. "The Diffusion of New Agricultural Technologies: The Case of Crossbred-Cow Technology in Tanzania," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 87(3), pages 645-659.
  16. Mendola, Mariapia, 2007. "Agricultural technology adoption and poverty reduction: A propensity-score matching analysis for rural Bangladesh," Food Policy, Elsevier, vol. 32(3), pages 372-393, June.
  17. Smale, M. & Bellon, M. R. & Aguirre, J. A. & Manuel Rosas, I. & Mendoza, J. & Solano, A. M. & Martinez, R. & Ramirez, A. & Berthaud, J., 2003. "The economic costs and benefits of a participatory project to conserve maize landraces on farms in Oaxaca, Mexico," Agricultural Economics, Blackwell, vol. 29(3), pages 265-275, December.
  18. Just, Richard E. & Zilberman, David, 1988. "The effects of agricultural development policies on income distribution and technological change in agriculture," Journal of Development Economics, Elsevier, vol. 28(2), pages 193-216, March.
  19. Barbara Sianesi, 2004. "An Evaluation of the Swedish System of Active Labor Market Programs in the 1990s," The Review of Economics and Statistics, MIT Press, vol. 86(1), pages 133-155, February.
  20. Bellon, Mauricio R & Taylor, J Edward, 1993. ""Folk" Soil Taxonomy and the Partial Adoption of New Seed Varieties," Economic Development and Cultural Change, University of Chicago Press, vol. 41(4), pages 763-86, July.
  21. Wooldridge, Jeffrey M., 2005. "Violating Ignorability Of Treatment By Controlling For Too Many Factors," Econometric Theory, Cambridge University Press, vol. 21(05), pages 1026-1028, October.
  22. Ingrid Rhinehart & C. Michael Deom, 2007. "Peanut Research and Poverty Reduction: Impacts of Variety Improvement to Control Peanut Viruses in Uganda," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 89(2), pages 448-460.
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