I have a particular interest in the study of poverty, inequalities, human development, social policy, and green development. I have served as Economist and Senior Economist at the UNDP Latin America and the Caribbean Bureau in New York, as Deputy Director of Economic and Social Analysis at the Mexican Ministry of Social Development, and I have done extensive consultancy work for several international organisations and governments, including the World Bank, the Inter-American Development Bank (IDB), the United Nations University World Institute for Development Economics Research (UNU-WIDER), and the Ibero-American General Secretariat (SEGIB). My research has been published in peer reviewed journals and collective volumes and has been cited over 2,400 times.​

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Within-Country Poverty Convergence: Evidence from Mexico (with L.F. Lopez-Calva & C. Rodriguez-Castelan), 2022. Empirical Economics, 62: 2547–2586

Measuring Global Poverty Before and During the Pandemic: A Political Economy of Overoptimism (with A. Sumner & C. Hoy), 2022. Third World Quarterly, 43(1): 1-17

When Life Gives You Lemons: Using Cross-Sectional Surveys to Identify Chronic Poverty in the Absence of Panel Data (with K. Bolch & L.F. Lopez-Calva), 2022. Review of Income and Wealth, DOI: 10.1111/roiw.12566

Temporary Basic Income in Times of Pandemic: Rationale, Costs and Poverty-Mitigation Potential (with G. Gray Molina & M. Montoya-Aguirre), 2022. Basic Income Studies, DOI: 10.1515/bis-2020-0029

The Global Inequality Boomerang (with R. Kanbur & A. Sumner), 2022. WIDER Working Paper 27/2022, DOI: 10.35188/UNU-WIDER/2022/158-7

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Also available as:

• CEPR Discussion Paper 17105

• IZA Discussion Paper 15161

• Cornell Applied Economics and Policy Working Paper 03

• ECINEQ Working Paper 608

• CGD Working Paper 615