Edited by Henri L.F. de Groot, Professor, VU University Amsterdam, Tinbergen Institute and Ecorys NEI, Peter Nijkamp, Professor Emeritus, Vrije Universiteit Amsterdam, the Netherlands, the Centre for European Studies, Universitatea Alexandru Ioan Cuza din Iasi, Romania and the School of Public Policy and Management, Tsinghua University, China and the late Roger R. Stough, formerly School of Policy, Government and International Affairs, George Mason University, US