Research Associate Valeria Esquivel is Assistant Professor of Economics at the Universidad Nacional de General Sarmiento, Province of Buenos Aires, Argentina. She is coordinator of the time-use group within the International Working Group on Gender, Macroeconomics, and International Economics and a member of GEM-LAC, the Latin America and Caribbean working group on gender and macroeconomics. Esquivel coordinated the team that designed and collected data for a time-use module introduced together with the Buenos Aires Annual Household Survey in 2005, and was a senior consultant on both gender wage gaps and the informal economy for the Argentinean Ministry of Labor, Employment, and Social Security. Her research interests center on macroeconomics, labor markets, and social policy from a gender perspective, and she has published in the areas of labor market regulation, poverty, and income distribution. Esquivel earned an M.Sc. in economics at the Institute of Latin American Studies (now the Institute for the Study of the Americas) and Queen Mary and Westfield College, University of London, and is PhD Candidate, University of London.