Edited by Kenneth Button, University Professor, Schar School of Policy and Government, George Mason University, US, 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 Hugo Priemus, Professor Emeritus of System Innovation and Spatial Development, Delft University of Technology, the Netherlands