Technical Note
Imputation methods for adjusting SOUTHMOD input data to income losses due to the COVID-19 crisis
This note sets out two different methods on how to adjust incomes in the microdata underlying the standard SOUTHMOD models to reflect a sudden shock, in this case the COVID-19 shock, as done in the accompanying working paper by Lastunen et al. (2021)...
Research Brief
Wage inequality in post-apartheid South Africa
Much work has been done on inequality in South Africa, but to date the literature that assesses the dynamic response of income or wealth distribution to economic policy actions is almost non-existent. This information gap is caused by data...
Working Paper
Welfare dynamics in India over a quarter-century
We analyse the Indian National Sample Survey data spanning the period 1987/88–2011/12 to uncover patterns of transition into and out of different classes of consumption distribution. At the aggregate level, income growth has accelerated, accompanied...
Working Paper
New imputation procedures in the measurement of inequality, growth, and poverty in Brazil
This paper develops a new imputation methodology applied to missing incomes values in PNAD. PNAD is the main Brazilian household survey, but it has no imputation. The imputation process starts by fitting regression models applied to different income...
Working Paper
Labour income inequality in Mexico
We analyse the evolution and proximate determinants of labour income inequality in Mexico between 1989 and 2017. Labour income inequality increased between 1989 and 1994 and declined between 1994 and 2006. What happened after 2006 is subject to...
Working Paper
Measuring labour earnings inequality in post-apartheid South Africa
This paper investigates the validity of household survey data published by Statistics South Africa since 1993 and later integrated into the Post-Apartheid Labour Market Series (PALMS).A series of statistical adjustments are proposed, compared, and...
Working Paper
Exploring the quality of income data in two African household surveys for the purpose of tax-benefit microsimulation modelling
The quality of data on employment income is explored using Tanzanian and Zambian household survey datasets. The extent of missing and implausible income data is assessed and four different methods are applied to impute missing or implausible values...
Blog
Behind the scenes: Meet our tax-benefit microsimulation team in Viet Nam!
by
Anna Toppari
May 2022
How can Vietnamese policymakers improve their policy choices related to social protection and tax policies? Who are the experts providing evidence on...