PABLO ACOSTA Department of Economics, University of Illinois at Urbana-Champaign, USABERNT BRATSBERG The Ragnar Frisch Centre for Economic Research, NorwayPABLO FAJNZYLBER Latin America and Caribbean Region, The World Bank, USAPHILLIPPE FARGUES European University Institute in Florence, ItalyJOHN GIBSON University of Waikato, New ZealandDOMINIQUE M. GROSS Simon Fraser University, CanadaJUNICHI GOTO Research Institute for Economics and Business Administration, Kobe University, JapanJ. HUMBERTO LOPEZ Latin America and Caribbean region, The World Bank, USADAVID MCKENZIE Development Research Group, The World Bank, USAGHAZALA MANSURI Development Research Group, The World Bank, USACHRISTOPHER PARSONS Development Research Centre on Migration, Globalisation and Poverty at Sussex University, UKODDBIØRN RAAUM The Ragnar Frisch Centre for Economic Research, NorwayRONALD SKELDON Development Research Centre on Migration, Globalisation and Poverty at Sussex University, UKKIETIL SØRLIE The Norwegian Institute for Urban and Regional Research, NorwayJACKLINE WAHBA Economics Division, School of Social Sciences, University of Southampton, UKTERRIE WALMSLEY Center for Global Trade Analysis, Purdue University, USAL. ALAN WINTERS Development Research Group, The World Bank, USA.