Gabriel Ulyssea is an associate professor of economics at the University of Oxford, a research affiliate at CEPR and a Research Fellow at IZA. His main research interests include economic development and labor economics. His current work focuses on informality, the labor market effects of labor regulation and trade and the role of firms in economic development. Main publications: ‘Firms, Informality and Development: Theory and evidence from Brazil’, American Economic Review, Vol. 108, No. 8, August 2018 (Lead Article); ‘Do Lower Taxes Reduce Informality? Evidence from Brazil’ (with Rocha, R. and Rachter, L.), Journal of Development Economics, Vol. 134, pp. 28-49, September 2018; ‘Economic Shocks and Crime: Evidence From The Brazilian Trade Liberalization’ (with Dix-Carneiro, R. and Soares, R.), American Economic Journal: Applied Economics, 10, no. 4, pp. 158-95, 2018; ‘Regulation of entry, labor market institutions and the informal sector’, Journal of Development Economics, Vol. 91, Issue 1, pp. 87-99, January 2010.