Edited by the late Raymond J.G.M. Florax, formerly Professor of Spatial and Environmental Economics, Department of Agricultural Economics, Purdue 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 Kenneth G. Willis, Emeritus Professor of Environmental Economics, University of Newcastle upon Tyne, UK