Heterogeneous Returns to Income Diversification: Evidence from Nigeria

38 Pages Posted: 22 Nov 2016 Last revised: 21 May 2020

See all articles by Eleonora Bertoni

Eleonora Bertoni

University of Turin - Collegio Carlo Alberto

Paul Andres Corral Rodas

World Bank

Vasco Molini

World Bank

Gbemisola Oseni

World Bank

Gbemisola Oseni Siwatu

World Bank

Date Written: November 21, 2016

Abstract

This paper investigates the impact of income diversification on farming households' welfare in Nigeria on two rounds of the Nigeria General Household Survey-Panel, namely the 2010/2011 and 2012/2013. The study finds that income diversification is the norm in Nigeria, with about 60 percent of farmers diversifying away from subsistence farming into non-farm activities and cash crops. In addition, using the panel of farmers interviewed before and after a severe drought that hit Northern Nigeria in particular in 2011, the study finds that diversification increased throughout Nigeria from 60 to 64 percent and in the North from 58 to 63 percent. The study postulates the existence of heterogeneous returns on diversification as a consequence of the drought, and estimates the returns through a non-parametric selection model using a local instrumental variable. The choice of this model is dictated by the necessity to account for both heterogeneous effects of diversification and selection bias related to households' decision to diversify. Overall, it is found that diversification positively affects consumption in Nigeria. However, who benefits the most is crucially determined by the initial conditions under which diversification is undertaken and the specific agro-climatic context in which households operate.

Keywords: Food Security, Educational Sciences, Inequality, Climate Change and Agriculture, Crops and Crop Management Systems, Natural Disasters

Suggested Citation

Bertoni, Eleonora and Corral Rodas, Paul Andres and Molini, Vasco and Oseni, Gbemisola and Siwatu, Gbemisola Oseni, Heterogeneous Returns to Income Diversification: Evidence from Nigeria (November 21, 2016). World Bank Policy Research Working Paper No. 7894, Available at SSRN: https://ssrn.com/abstract=2874030

Eleonora Bertoni (Contact Author)

University of Turin - Collegio Carlo Alberto ( email )

via Real Collegio 30
Moncalieri, Torino 10024
Italy

Paul Andres Corral Rodas

World Bank

1818 H Street, NW
Washington, DC 20433
United States

Vasco Molini

World Bank ( email )

1818 H Street, NW
Washington, DC 20433
United States

Gbemisola Oseni

World Bank ( email )

1818 H Street, NW
Washington, DC 20433
United States

Gbemisola Oseni Siwatu

World Bank

1818 H Street, NW
Washington, DC 20433
United States

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