Professor Sir Paul Collier delivers the 2018 OxPeace Conference Keynote lecture, discussing ‘How Business affects the chance of peace: the upside – jobs; the downside – crooks; and what to do about them.’ Sir Paul Collier is Professor of Economics and Public Policy at the Blavatnik School of Government and a Professorial Fellow of St Antony’s College. From 1998–2003 he was Director of the Research Development Department of the World Bank. His research covers the causes and consequences of civil war; the effects of aid and the problems of democracy in low-income and natural resources rich societies; urbanization in low-income countries; private investment in African infrastructure and changing organizational cultures.