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Consumption Uncertainty Reduction Among Sweet Potato Smallholder Farmers in Tanzania

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  • Fulgence Dominick Waryoba
  • Li Jing

Abstract

This study examines food production and consumption among smallholder sweet potato farmers in the selected districts of Tanzania, namely Kishapu and Mvomero. Inter-cropping is commonly practiced among smallholder farmers in the study area to shield against harvest failure due to unpredictable weather change. Crop productivity in the study area was low for almost all staples selected for the analysis, leading to low food consumption among smallholder farmers and their household members in the study area. Most smallholder farmers’ food consumption in the study area was below the minimum standard. Some households failed to provide three meals for their family members, including children, pregnant mothers, and lactating mothers. Some farmers could only afford one meal. The calorie intake analysis indicated that more than half of the households surveyed had less than minimum caloric intake in both the pre- and post-harvest period. Due to food consumption uncertainty, smallholder farmers hardly changed their consumption level as their income changed. Even though consumption was inelastic, consumption inequality closely followed income inequality among smallholder farmers in the study area. Food crop productivity improvement was vital in reducing food consumption uncertainty among smallholder farmers in the study area.

Suggested Citation

  • Fulgence Dominick Waryoba & Li Jing, 2019. "Consumption Uncertainty Reduction Among Sweet Potato Smallholder Farmers in Tanzania," Global Journal of Emerging Market Economies, Emerging Markets Forum, vol. 11(1-2), pages 132-147, January.
    • Handle: RePEc:sae:emeeco:v:11:y:2019:i:1-2:p:132-147
    DOI: 10.1177/0974910119871366
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    as
    1. Shapiro, Matthew D., 1984. "The permanent income hypothesis and the real interest rate : Some evidence from panel data," Economics Letters, Elsevier, vol. 14(1), pages 93-100.
    2. Chamon, Marcos & Liu, Kai & Prasad, Eswar, 2013. "Income uncertainty and household savings in China," Journal of Development Economics, Elsevier, vol. 105(C), pages 164-177.
    3. Tullio Jappelli, 2005. "The life-cycle hypothesis, fiscal policy and social security," BNL Quarterly Review, Banca Nazionale del Lavoro, vol. 58(233-234), pages 173-186.
    4. D. Carroll Christopher, 2000. "Risky Habits and the Marginal Propensity to Consume Output of Permanent Income, or, How Much Would a Permanent Tax Cut Boost Japanese Consumption?," International Economic Journal, Taylor & Francis Journals, vol. 14(4), pages 1-40.
    5. Mark Aguiar & Mark Bils, 2015. "Has Consumption Inequality Mirrored Income Inequality?," American Economic Review, American Economic Association, vol. 105(9), pages 2725-2756, September.
    6. Ziliak, James P., 1998. "Does the choice of consumption measure matter? An application to the permanent-income hypothesis," Journal of Monetary Economics, Elsevier, vol. 41(1), pages 201-216, February.
    7. Carroll, Christopher D. & Holm, Martin B. & Kimball, Miles S., 2021. "Liquidity constraints and precautionary saving," Journal of Economic Theory, Elsevier, vol. 195(C).
    8. Joseph P. Dejuan & John J. Seater, 2006. "A Simple Test of Friedman's Permanent Income Hypothesis," Economica, London School of Economics and Political Science, vol. 73(289), pages 27-46, February.
    9. Charles Peter Mgeni & Stefan Sieber & T. S. Amjath-Babu & Khamaldin Daud Mutabazi, 2018. "Can protectionism improve food security? Evidence from an imposed tariff on imported edible oil in Tanzania," Food Security: The Science, Sociology and Economics of Food Production and Access to Food, Springer;The International Society for Plant Pathology, vol. 10(4), pages 799-806, August.
    10. Fulford, Scott L., 2015. "The surprisingly low importance of income uncertainty for precaution," European Economic Review, Elsevier, vol. 79(C), pages 151-171.
    11. Ramsès H. Abul Naga & Enrico Bolzani, 2006. "Poverty and Permanent Income: A Methodology for Cross-Section Data," Annals of Economics and Statistics, GENES, issue 81, pages 195-223.
    12. Christopher D Carroll, 2000. "'Risky Habits' and the Marginal Propensity to Consume Out of Permanent Income or How Much Would a Permanent Tax Cut Boost Japanese Consumption?," Economics Working Paper Archive 429, The Johns Hopkins University,Department of Economics.
    13. Richard Blundell & Luigi Pistaferri & Itay Saporta-Eksten, 2016. "Consumption Inequality and Family Labor Supply," American Economic Review, American Economic Association, vol. 106(2), pages 387-435, February.
    14. Pierre-Olivier Gourinchas & Jonathan A. Parker, 2002. "Consumption Over the Life Cycle," Econometrica, Econometric Society, vol. 70(1), pages 47-89, January.
    15. Andrews,Donald W. K. & Stock,James H. (ed.), 2005. "Identification and Inference for Econometric Models," Cambridge Books, Cambridge University Press, number 9780521844413.
    16. Shane Frederick & George Loewenstein & Ted O'Donoghue, 2002. "Time Discounting and Time Preference: A Critical Review," Journal of Economic Literature, American Economic Association, vol. 40(2), pages 351-401, June.
    17. Robert B. Barsky & F. Thomas Juster & Miles S. Kimball & Matthew D. Shapiro, 1997. "Preference Parameters and Behavioral Heterogeneity: An Experimental Approach in the Health and Retirement Study," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 112(2), pages 537-579.
    18. Murat Iyigun & Nathan Nunn & Nancy Qian, 2017. "The Long-run Effects of Agricultural Productivity on Conflict, 1400-1900," NBER Working Papers 24066, National Bureau of Economic Research, Inc.
    19. Luigi Pistaferri, 2001. "Superior Information, Income Shocks, And The Permanent Income Hypothesis," The Review of Economics and Statistics, MIT Press, vol. 83(3), pages 465-476, August.
    20. Milton Friedman, 1957. "A Theory of the Consumption Function," NBER Books, National Bureau of Economic Research, Inc, number frie57-1, March.
    21. Milton Friedman, 1957. "The Permanent Income Hypothesis," NBER Chapters, in: A Theory of the Consumption Function, pages 20-37, National Bureau of Economic Research, Inc.
    22. Curtis, Chadwick C. & Lugauer, Steven & Mark, Nelson C., 2017. "Demographics and aggregate household saving in Japan, China, and India," Journal of Macroeconomics, Elsevier, vol. 51(C), pages 175-191.
    23. Jinyong Hahn & Jerry Hausman, 2002. "A New Specification Test for the Validity of Instrumental Variables," Econometrica, Econometric Society, vol. 70(1), pages 163-189, January.
    24. Meghir, Costas & Pistaferri, Luigi, 2011. "Earnings, Consumption and Life Cycle Choices," Handbook of Labor Economics, in: O. Ashenfelter & D. Card (ed.), Handbook of Labor Economics, edition 1, volume 4, chapter 9, pages 773-854, Elsevier.
    25. Gervais, Martin & Klein, Paul, 2010. "Measuring consumption smoothing in CEX data," Journal of Monetary Economics, Elsevier, vol. 57(8), pages 988-999, November.
    26. Kanishka Misra & Paolo Surico, 2014. "Consumption, Income Changes, and Heterogeneity: Evidence from Two Fiscal Stimulus Programs," American Economic Journal: Macroeconomics, American Economic Association, vol. 6(4), pages 84-106, October.
    27. Zhou, Jingkui, 2013. "Uncertainty, inequality and consumption preferences in urban China," Economic Modelling, Elsevier, vol. 31(C), pages 308-322.
    28. David CASHIN & UNAYAMA Takashi, 2016. "The Impact of a Permanent Income Shock on Consumption: Evidence from Japan's 2014 VAT increase," Discussion papers 16052, Research Institute of Economy, Trade and Industry (RIETI).
    29. Isabell Duda & Anja Fasse & Ulrike Grote, 2018. "Drivers of rural-urban migration and impact on food security in rural Tanzania," Food Security: The Science, Sociology and Economics of Food Production and Access to Food, Springer;The International Society for Plant Pathology, vol. 10(4), pages 785-798, August.
    30. Angus Deaton, 2005. "Franco Modigliani and the life-cycle theory of consumption," BNL Quarterly Review, Banca Nazionale del Lavoro, vol. 58(233-234), pages 91-107.
    31. Greasley, David & Madsen, Jakob B. & Oxley, Les, 2001. "Income Uncertainty and Consumer Spending during the Great Depression," Explorations in Economic History, Elsevier, vol. 38(2), pages 225-251, April.
    32. Katrin Reincke & Elisa Vilvert & Anja Fasse & Frieder Graef & Stefan Sieber & Marcos A. Lana, 2018. "Key factors influencing food security of smallholder farmers in Tanzania and the role of cassava as a strategic crop," Food Security: The Science, Sociology and Economics of Food Production and Access to Food, Springer;The International Society for Plant Pathology, vol. 10(4), pages 911-924, August.
    33. Orazio P. Attanasio & Luigi Pistaferri, 2016. "Consumption Inequality," Journal of Economic Perspectives, American Economic Association, vol. 30(2), pages 3-28, Spring.
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    Cited by:

    1. Nouman Afzal & Stavros Afionis & Lindsay C. Stringer & Nicola Favretto & Marco Sakai & Paola Sakai, 2021. "Benefits and Trade-Offs of Smallholder Sweet Potato Cultivation as a Pathway toward Achieving the Sustainable Development Goals," Sustainability, MDPI, vol. 13(2), pages 1-17, January.
    2. Tedesco, Danilo & Moreira, Bruno Rafael de Almeida & Barbosa Júnior, Marcelo Rodrigues & Maeda, Murilo & Silva, Rouverson Pereira da, 2023. "Sustainable management of sweet potatoes: A review on practices, strategies, and opportunities in nutrition-sensitive agriculture, energy security, and quality of life," Agricultural Systems, Elsevier, vol. 210(C).

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