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Do Differences in the Scale of Irrigation Projects Generate Different Impacts on Poverty and Production?

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  • Andrew Dillon

Abstract

This paper investigates differences in household production and consumption among small- and large-scale irrigators to assess whether the scale of an irrigation project increases household welfare in Mali. Much of the evidence of the impact of irrigation does not use counterfactual analysis to estimate such impact or distinguish between the scale of the irrigation projects to be evaluated. In the dataset collected by the author, both a large-scale irrigation project and small-scale projects are used to construct counterfactual groups. Propensity score matching is used to estimate the average treatment effect on the treated for small and large irrigators relative to nonirrigators on agricultural production, agricultural income, and consumption per capita. Small-scale irrigation has a larger effect on agricultural production and agricultural income than large-scale irrigation, but large-scale irrigation has a larger effect on consumption per capita. This suggests that market integration and nonfarm externalities are important in realizing gains in agricultural surplus from irrigation.
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  • Andrew Dillon, 2011. "Do Differences in the Scale of Irrigation Projects Generate Different Impacts on Poverty and Production?," Journal of Agricultural Economics, Wiley Blackwell, vol. 62(2), pages 474-492, June.
  • Handle: RePEc:bla:jageco:v:62:y:2011:i:2:p:474-492
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    References listed on IDEAS

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    1. Dillon, A., 2008. "Access to irrigation and the escape from poverty: evidence from northern Mali," IWMI Working Papers H043847, International Water Management Institute.
    2. Attwood, Donald W., 2005. "Big is ugly? How large-scale institutions prevent famines in Western India," World Development, Elsevier, vol. 33(12), pages 2067-2083, December.
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    5. Inocencio, Arlene & Kikuchi, Masao & Tonosaki, Manabu & Maruyama, Atsushi & Merrey, Douglas & Sally, Hilmy & de Jong, Ijsbrand, 2007. "Costs and performance of irrigation projects: A comparison of Sub-Saharan Africa and other developing regions," IWMI Research Reports H036214, International Water Management Institute.
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    10. Daniel O. Gilligan & John Hoddinott, 2007. "Is There Persistence in the Impact of Emergency Food Aid? Evidence on Consumption, Food Security, and Assets in Rural Ethiopia," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 89(2), pages 225-242.
    11. Angus Deaton & Salman Zaidi, 2002. "Guidelines for Constructing Consumption Aggregates for Welfare Analysis," World Bank Publications, The World Bank, number 14101, June.
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    14. Ravallion, Martin & Chen, Shaohua, 2005. "Hidden impact? Household saving in response to a poor-area development project," Journal of Public Economics, Elsevier, vol. 89(11-12), pages 2183-2204, December.
    15. James Heckman, 1997. "Instrumental Variables: A Study of Implicit Behavioral Assumptions Used in Making Program Evaluations," Journal of Human Resources, University of Wisconsin Press, vol. 32(3), pages 441-462.
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    17. Daniel O. Gilligan & John Hoddinott, 2007. "Is There Persistence in the Impact of Emergency Food Aid? Evidence on Consumption, Food Security, and Assets in Rural Ethiopia," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 89(2), pages 225-242.
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    Cited by:

    1. Aravind Moorthy & Thomas Coen & Katie Naeve & Jeremy Brecher-Haimson & Sarah Hughes, "undated". "Evaluation of the Irrigation and Water Resource Management Project in Senegal: Design Report," Mathematica Policy Research Reports c9f29d5746b14250b145a2030, Mathematica Policy Research.
    2. Iimi,Atsushi & Humphreys,Richard Martin & Melibaeva,Sevara, 2015. "Crop choice and infrastructure accessibility in Tanzania : subsistence crops or export crops ?," Policy Research Working Paper Series 7306, The World Bank.
    3. Takeshima, Hiroyuki & Edeh, Hyacinth, 2013. "Typology of farm households and irrigation systems: Some evidence from Nigeria," IFPRI discussion papers 1267, International Food Policy Research Institute (IFPRI).
    4. Karl Pauw & James Thurlow, 2015. "Prioritizing Rural Investments in Africa: A Hybrid Evaluation Approach Applied to Uganda," The European Journal of Development Research, Palgrave Macmillan;European Association of Development Research and Training Institutes (EADI), vol. 27(3), pages 407-424, July.
    5. Kijima, Yoko & Ito, Yukinori & Otsuka, Keijiro, 2012. "Assessing the Impact of Training on Lowland Rice Productivity in an African Setting: Evidence from Uganda," World Development, Elsevier, vol. 40(8), pages 1610-1618.
    6. Boris Bravo-Ureta & William Greene & Daniel Solís, 2012. "Technical efficiency analysis correcting for biases from observed and unobserved variables: an application to a natural resource management project," Empirical Economics, Springer, vol. 43(1), pages 55-72, August.
    7. repec:gam:jscscx:v:7:y:2017:i:1:p:4-:d:124372 is not listed on IDEAS
    8. repec:bla:afrdev:v:29:y:2017:i:s2:p:109-120 is not listed on IDEAS
    9. repec:eee:jfpoli:v:76:y:2018:i:c:p:70-80 is not listed on IDEAS
    10. Peralta, Maria Alexandra & Swinton, Scott M. & Maredia, Mywish K., 2011. "Accounting for selection bias in impact analysis of a rural development program: An application using propensity score matching," 2012 Conference, August 18-24, 2012, Foz do Iguacu, Brazil 126398, International Association of Agricultural Economists.
    11. Iimi,Atsushi & You,Liangzhi & Wood-Sichra,Ulrike & Humphrey,Richard Martin, 2015. "Agriculture production and transport infrastructure in east Africa : an application of spatial autoregression," Policy Research Working Paper Series 7281, The World Bank.
    12. Giordano, Meredith & de Fraiture, Charlotte, 2014. "Small private irrigation: Enhancing benefits and managing trade-offs," Agricultural Water Management, Elsevier, vol. 131(C), pages 175-182.

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