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Data gaps, data incomparability, and data imputation

Working Paper 2018-456


We offer a review of methods that have been employed to provide poverty estimates of poverty in contexts where household consumption data are unavailable or missing. These contexts range from completely missing and partially missing consumption data in cross sectional household surveys, to missing panel household data. We focus on methods that aim to compare trends and dynamic patterns of poverty outcomes over time. We present the various existing methods under a common framework, with pedagogical discussion on the intuition. Empirical illustrations are provided using several rounds of household survey data from Vietnam. Furthermore, we also offer a practical guide with detailed instructions on computer programs that can be used to implement the reviewed techniques.

Authors: Hai-Anh Dang, Dean Jolliffe, Calogero Carletto.

Keywords: poverty, mobility, imputation, consumption, wealth index, synthetic panels, household survey.
JEL: C15, I32, O15.