Marcelo Olarreaga is a Senior Economist in the Development Research Group of the World Bank. He is also a Research Fellow at the Centre for Economic Policy Research, London. He obtained his Ph.D. in Economics from the University of Geneva in 1996. Before joining the World Bank in 1998, he was an economist in the Research Division of the World Trade Organization. He is currently doing research on the political economy of trade policy, barriers to developing countries exports and distributional and poverty impacts of trade reforms.