Roy van der Weide is an Economist in the Poverty and Inequality Research team within the Development Research Group of the World Bank. He recently assumed the responsibility of leading the poverty and inequality mapping research within the department. His other research is concerned with the empirics of inequality of opportunity and poverty reduction, axiomatic approaches to income measurement, spatial econometrics, and the transmission of price inflation and volatility. His work has been published in a range of academic journals including the American Economic Review, the Journal of Econometrics, the Journal of Applied Econometrics, and the World Bank Economic Review. He holds a PhD from the University of Amsterdam.