Impact of irrigation water scarcity on rural household food security and income in Pakistan
Tóm tắt
As Pakistan is currently facing a severe shortage of irrigation water, this paper analyzes the determinants of water scarcity and its impact on the yield of cereal crops (wheat, maize and rice), household income, food security and poverty levels by employing the propensity-score-matching approach. This study is based on a comprehensive set of cross-sectional data collected from 950 farmers from all four major provinces in Pakistan. The empirical analysis indicated that farmers with a water-scarcity problem have lower yield and household income, and are food insecure. Poverty levels were higher: in the range of 7–12% for a household facing a water-scarcity problem. The policy implications of the study are that the public and private sector in Pakistan needs to invest in irrigation water management to maintain the productivity of cereal crops which is important for household food security and poverty reduction.
Từ khóa
Tài liệu tham khảo
Ali, 2010, The adoption of genetically modified cotton and poverty reduction in Pakistan, J. Agri. Econo., 61, 175, 10.1111/j.1477-9552.2009.00227.x
Ashraf, 2013
Barker, 1999
Cruz, 2007, Asia. Climate change, 2007, impacts, adaptation and vulnerability, Contribution of Working Group II to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, 469
Dehejia, 2002, Propensity score matching methods for non experimental causal studies, The Rev. Econo. Stat., 84, 151, 10.1162/003465302317331982
Government of Pakistan, 2003
Heckman, 1997, Matching as an econometric evaluation estimator: evidence from evaluating a job training programme, Review of Economic Studies, 64, 605, 10.2307/2971733
Hussain, 2004, Irrigation and poverty alleviation: review of the empirical evidence, IWMI, Irrig. Drain., 53, 1, 10.1002/ird.114
Imbens, 2009, Recent developments in the econometrics of program evaluations, Journal of Econometric Literature, 47, 5, 10.1257/jel.47.1.5
Jalan, 2003, Does piped water reduce diarrhea for children in rural India?, J. Econometrics, 112, 153, 10.1016/S0304-4076(02)00158-6
Michalopoulos, 2004, Can propensity score methods match the findings from a random assignment evaluation of mandatory welfare-to-work programs?, Rev. Econ. Stat., 86, 156, 10.1162/003465304323023732
Molden, 2007, Pathways for increasing agricultural water productivity, Water for Food, Water for Life: a Comprehensive Assessment of Water Management in Agriculture, 219
Qureshi, 2003
Rosenbaum, 1983, The central role of the propensity score in observational studies for causal effects, Biometrika, 70, 41, 10.1093/biomet/70.1.41
Shah, 1993, Groundwater Markets and Irrigation Development. Political Economy and Practical Policy
Sivakumar, 2011
Smith, 2005, Does matching overcome Lalonde's critique of non-experimental estimators?, J. of Econo., 125, 305, 10.1016/j.jeconom.2004.04.011
World Bank, 2013
Zhao, 2000