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A textured white wall with thin, green vines emerging from a crack on the left and climbing from the bottom right, conveying resilience and growth.

Green industrialization and inclusive growth in a fractured world order

WIDER Development Conference, 18–20 March 2026, New Delhi, India
Vertical gold lines cascade down, creating a vibrant pattern. The warm tones and glowing highlights evoke a sense of luxury and dynamic energy. Photo by Rene Böhmer on Unsplash

Gross- versus net-basis taxation evidence for the UN Tax Convention negotiations

Hong Kong

2026 Jobs and Development Conference

9–10 October 2026 in Hong Kong, China | The conference brings together researchers, policymakers, and practitioners from around the world to discuss the latest insights on jobs, labour markets, and inclusive development.
A partially open laptop glows with vibrant orange and blue light from its screen, reflecting off the keyboard. The tone is modern and futuristic.

Secure research data labs: unlocking evidence-based policy in Africa through data

UNU-WIDER is working with national revenue authorities across sub-Saharan Africa to establish secure research data labs.

UNU-WIDER welcomes G20 report on global inequality

As the custodian of the World Income Inequality Database (WIID), UNU-WIDER considers the G20 global inequality report a timely and essential contribution to the global policy discussions on inequality.
Patricia Justino pictured in Helsinki, Finland.

Professor Patricia Justino Appointed as Next Director of UNU-WIDER

Cambridge Elements Development Economics

4 Elements expected in January 2026

Trade in Tasks, Gender Economics in the Global South, Developmental Dilemmas, and Varieties of Peripheral Growth Models

8 UNU-WIDER articles, publications, projects, experts...

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  • Blog
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Working Paper
Labour income inequality in Mexico
– Puzzles solved and unsolved

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...

  • Inequality
  • Labour income
  • Post-survey reweighting
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)...

  • Imputation
  • Income
  • Survey data
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...

  • Income inequality
  • Heterogeneity
  • Survey data
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...

  • Income inequality
  • Heterogeneity
  • Survey data
Blog
Behind the scenes: Meet our tax-benefit microsimulation team in Viet Nam!
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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...

  • Tax-benefit microsimulation
  • Microsimulation
  • Imputation
Working Paper
Exploring the quality of income data in two African household surveys for the purpose of tax-benefit microsimulation modelling
– Imputing employment income in Tanzania and Zambia

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...

  • Income
  • Imputation
  • Microsimulation
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...

  • Imputation
  • Stochastic imputation
  • Inequality
Working Paper
Welfare dynamics in India over a quarter-century
– Poverty, vulnerability, and mobility, 1987–2012

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...

  • Intragenerational mobility
  • Welfare dynamics
  • Imputation
Displaying 8 of 8 results
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