Breadcrumb Home News and events Find news New Article by Aggestam and Johansson New Article by Aggestam and Johansson Published 10 November 2017 at Centre for European Research at the University of Gothenburg Lisbeth Aggestam and Markus Johansson, researchers in the CERGU network, have a new article out in the Journal of Common Market Studies entitled "The leadership paradox in EU foreign policy".