Hard Brexit and its potential long-run consequences on the British population and workforces DOI reference: 10.1080/13673882.2018.00001048 By Salvatore Perri , University of Magna Graecia, Catanzaro, Italy. One of the most important arguments used by the Leave Campaign during the electoral campaign for Brexit was related to a negative vision of migration in the UK. A total closure of borders to Europeans and extra EU workers will have quantitative and qualitative effects on the composition of the British population and workforces. Most of the arguments exposed by leavers were not supported by data and the real dimension of migrants and their composition were omitted in the