Rogério Jerônimo Barbosa

Professor of Sociology

Instituto de Estudos Sociais e Políticos (IESP-UERJ) · Co-coordinator, CERES

I study income inequality, labor markets, and social stratification in Brazil. My work combines sociological theory with quantitative methods to understand the mechanisms behind persistent inequalities.

Rogério Barbosa

About

I am a Professor of Sociology at the Instituto de Estudos Sociais e Políticos (IESP) of the State University of Rio de Janeiro (UERJ). I hold a PhD in Sociology from the University of São Paulo (USP), where I also completed my Master's degree. I did my undergraduate studies in Social Sciences at the Federal University of Minas Gerais (UFMG).

I completed a postdoctoral fellowship in Political Science at USP, was a Visiting Scholar at the Department of Sociology at Columbia University, and an Affiliated Scholar at the Brazil Lab at Princeton University.

I co-coordinate the Centro para o Estudo da Riqueza e Estratificação Social (CERES-IESP/UERJ) with Carlos Antônio Costa Ribeiro, and I am an associated researcher at the Centro de Estudos da Metrópole (CEM-USP).

My research focuses on long-term trends in income inequality in Brazil, using historical surveys, administrative data, and contemporary microdata. I also develop open-source R packages for social research.

Research

My research examines inequality, stratification, and labor markets through quantitative methods.

Income Inequality

Long-term trends in earnings inequality in Brazil (1960-present), examining the roles of education, labor market institutions, and policy.

Social Stratification

Intergenerational mobility, educational inequality, and the reproduction of social advantages across generations.

Labor Markets

Employment dynamics, occupational structure, informality, and the impacts of economic crises on workers.

Quantitative Methods

Survey methodology, causal inference, spatial analysis, and development of R packages for social research.

Urban Violence & Education

Impacts of armed group territorial control on educational outcomes in the Rio de Janeiro metropolitan area.

Social Policy

Cash transfer programs, emergency aid during COVID-19, and their effects on poverty and inequality.

Research Center

CERES — Center for the Study of Wealth and Social Stratification

IESP-UERJ · Co-coordinator, with Carlos Antonio Costa Ribeiro

CERES is the research hub I co-direct at IESP-UERJ, convening systematic work on stratification, mobility, inequality, wealth, poverty, and labor markets in Brazil. It hosts graduate seminars, produces the data infrastructure behind much of the research listed on this site, and is the institutional home of the Lego I–III methods sequence.

Current Projects

InfoCitizen - Informational Citizenship

2024 - Present | European Research Council (ERC)

Studying citizenship practices and technologies around data production in the Global South, focusing on Brazil's 2022 census controversies.

Armed Groups and Educational Inequality

2023 - 2025 | UNICEF, Open Society Foundations

Examining how territorial control by armed groups (drug trafficking and militias) constrains educational opportunities in Rio de Janeiro.

Selected Publications

Full list available on Google Scholar (900+ citations, h-index: see profile).

Crime-associated inequality in geographical access to education: Insights from the municipality of Rio de Janeiro

Knoblauch, S., Muthusamy, R.K., ..., Barbosa, R.J., Hirata, D.V., et al.

Cities, 2025

View article

Decomposing Heterogeneity in Inequality of Educational Opportunities: Family Income and Academic Performance in Brazilian Higher Education

Senkevics, A., Barbosa, R., Carvalhaes, F., Costa Ribeiro, C.

Sociological Science, 2024

View article

A Sociologia da desigualdade de renda

Barbosa, R.J.

Revista Brasileira de Ciências Sociais, 2023

View article

Free public transit and voter turnout

Pereira, R.H.M., Vieira, R.S., Bizzarro, F., Barbosa, R.J., Dahis, R., Ferreira, D.T.

Electoral Studies, 2023

View article

Higher risk of death from COVID-19 in low-income and non-White populations of São Paulo, Brazil

Li, S., Pereira, R.H.M., ..., Barbosa, R.J., et al.

BMJ Global Health, 2021

View article

The Impact of COVID-19 in Brazil: Labour Market and Social Protection Responses

Prates, I., Barbosa, R.J.

The Indian Journal of Labour Economics, 2020

View article

Educational expansion, inequality and poverty reduction in Brazil: A simulation study

Medeiros, M., Barbosa, R.J., Carvalhaes, F.

Research in Social Stratification and Mobility, 2019

View article

Desigualdade de Rendimentos do Trabalho no Curto e no Longo Prazo: Tendências de Idade, Período e Coorte

Barbosa, R.J.

Dados - Revista de Ciências Sociais, 2016

View article

Trabalhar para estudar: sobre a pertinência da noção de transição escola-trabalho no Brasil

Comin, A.A., Barbosa, R.J.

Novos Estudos CEBRAP, 2011

View article

Book Chapters

A Imaginação Quantitativa

Barbosa, R.J.

In: Metodologia de Pesquisa em Sociologia. UFSCar, 2024

Religious Transition in Brazil

Almeida, R., Barbosa, R.J.

In: Paths of Inequality in Brazil. Springer, 2018

Labor Market, Income Inequalities and Poverty

Barbosa, R.J., Prates, I.

In: São Paulo in the Twenty-First Century. Routledge, 2016

Tools

Public-facing applications for researchers, journalists, and policy analysts — no coding required.

Transcritorio

Desktop App

Local, GPU-accelerated transcription of qualitative interviews. WhisperX ASR, speaker diarization, and a built-in review studio. 100% offline, no cloud.

Software

Open-source R packages for quantitative social research.

PNADCperiods

R Package (CRAN)

Convert Brazil's quarterly PNADC survey data into monthly, fortnightly, and weekly time series, and mensalize IBGE SIDRA aggregate series. Achieves ~97% monthly determination using IBGE's technical rules and birthday constraints, with calibrated survey weights. Includes an interactive dashboard for exploring 86+ official series.

censobr

R Package (CRAN)

Easy access to data from every Brazilian Population Census taken since 1960. Downloads and reads microdata, aggregate tables, and official documentation directly into R.

With Rafael H.M. Pereira (IPEA)

heckmanGE

R Package (CRAN)

Estimation and inference for generalized Heckman selection models. Provides sandwich estimators, cluster-robust standard errors, and handling of eigenvalue issues in the variance-covariance matrix.

With Fernando S. B. Bastos (UFV) and Marcos O. Prates (UFMG)

tableInequality

R Package

Calculate inequality measures from categorical/tabulated data. Useful when only grouped data is available.

Teaching

Graduate Courses (IESP-UERJ)

A three-term graduate sequence in quantitative methods (Lego I–II–III), plus substantive seminars on poverty, the life course, and sociological theory. Offered at the Graduate Programs in Sociology and Political Science of IESP-UERJ.

I

Lego I — Quantitative Methods

3 offerings

Introduction to quantitative analysis for the social sciences: statistical foundations, data preparation, descriptive analysis, and hypothesis testing in R.

With Carlos A. Costa Ribeiro · Fernando Meireles

II

Lego II — Linear Regression & Extensions

4 offerings

Linear regression and its extensions (GLS, fixed effects, logistic, multilevel); diagnostics, robust inference, and applied workflows.

With Pedro H. G. Ferreira de Souza

III

Lego III — Causal Inference

2 offerings

Causal methods for observational, quasi-experimental, and experimental data: potential outcomes, difference-in-differences, instrumental variables, regression discontinuity, matching.

With Carlos A. Costa Ribeiro · Pedro H. G. Ferreira de Souza

Inequalities Across the Life Course

Seminar

How inequalities in earnings, education, and health accumulate and compound over individual lifetimes.

With Carlos A. Costa Ribeiro · Pedro H. G. Ferreira de Souza

Poverty: What, How Much, Where, How, and Why?

Seminar

Conceptual debates (absolute vs. relative, monetary vs. multidimensional), Brazilian measurement practice, and the political economy of poverty lines.

With Pedro H. G. Ferreira de Souza

Unequal Controversies

Seminar

Debates and methodological disputes in contemporary stratification and inequality research. Offered at IESP as Teoria Sociológica III – Controvérsias Desiguais.

With Carlos A. Costa Ribeiro

See all 12 offerings, chronologically (2021–2026)
  1. 2026.1 Lego III — Causal Inference with Costa Ribeiro & Souza
  2. 2025.2 Lego II — Linear Regression & Extensions
  3. 2025.1 Lego III — Causal Inference with Costa Ribeiro & Souza
  4. 2024.2 Lego II — Linear Regression & Extensions with Souza
  5. 2024.1 Inequalities Across the Life Course with Costa Ribeiro & Souza
  6. 2023.2 Poverty: What, How Much, Where, How, and Why? with Souza
  7. 2023.1 Lego I — Quantitative Methods with Meireles
  8. 2022.2 Lego II — Linear Regression & Extensions
  9. 2022.1 Unequal Controversies with Costa Ribeiro
  10. 2022.1 Lego I — Quantitative Methods with Costa Ribeiro
  11. 2021.2 Lego II — Linear Regression & Extensions
  12. 2021.1 Lego I — Quantitative Methods with Costa Ribeiro

Short Courses & Workshops

Introduction to R

Programming fundamentals for social science research.

Web Scraping with R

Automated data collection from the internet.

Measuring Poverty and Inequality in Brazil

Concepts, methods, and data for contemporary Brazil.

Blog

I co-author Sociais & Métodos, a Portuguese-language blog on quantitative methods, R programming, and social science research methodology.

Contact

Email

rogerio.barbosa@iesp.uerj.br

Office

Instituto de Estudos Sociais e Políticos (IESP-UERJ)
Rua da Matriz, 82
Botafogo, Rio de Janeiro, RJ
22260-100, Brazil

Academic Profiles