Estimating Poverty with Panel Data, Comparably: An Example from Jordan

31 Pages Posted: 20 Apr 2016 Last revised: 21 May 2020

See all articles by Dean Jolliffe

Dean Jolliffe

World Bank, DECDG; IZA Institute of Labor Economics; Global Labor Organization (GLO); Johns Hopkins University, Paul H. Nitze School of Advanced International Studies (SAIS), Students

Umar Serajuddin

World Bank

Date Written: July 21, 2015

Abstract

Poverty estimates based on enumeration from a single point in time form the cornerstone for much of the literature on poverty. Households are typically interviewed once about their consumption or income, and their wellbeing is assessed from their responses. Global estimates of poverty that aggregate poverty counts from all countries implicitly assume that the counts are comparable. This paper illustrates that this assumption of comparability is potentially invalid when households are interviewed multiple times with repeat visits throughout the year. The paper provides an example from Jordan, where the internationally comparable approach of handling the data from repeat visits yields a poverty rate that is 26 percent greater than the rate that is currently reported as the official estimate. The paper also explores alternative definitions of poverty, informed in part by the psychological and biophysical literature on the long-run effects of short-term exposure to poverty or generally adverse environments. This alternative concept of poverty suggests that the prevalence of those who have been affected by poverty in Jordan during 2010 is more than twice as large as the official 2010 estimate of poverty.

Keywords: Inequality, Small Area Estimation Poverty Mapping, Poverty Lines, Poverty Assessment, Poverty Impact Evaluation, Poverty Diagnostics, Poverty Monitoring & Analysis, Health Care Services Industry, Public Sector Administrative & Civil Service Reform, Economics and Finance of Public Institution Development, Democratic Government, State Owned Enterprise Reform, Public Sector Administrative and Civil Service Reform, De Facto Governments, Nutrition

Suggested Citation

Jolliffe, Dean and Serajuddin, Umar, Estimating Poverty with Panel Data, Comparably: An Example from Jordan (July 21, 2015). World Bank Policy Research Working Paper No. 7373, Available at SSRN: https://ssrn.com/abstract=2634271

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Umar Serajuddin

World Bank ( email )

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