Was Brexit caused by the unhappy and the cld? / Federica Liberini (ETH Zurich), Andrew J. Oswald (University of Warwick and IZA), Eugenio Proto (University of Warwick and IZA), Michela Redoano (University of Warwick) ; IZA Institute of Labor Economics. Bonn, Germany : IZA Institute of Labor Economics, September 2017