Landis MacKellar, Senior Associate and Co-Editor, Population and Development Review, The Population Council, Inc. New York, US, Tatiana Ermolieva, International Institute for Applied Systems Analysis (IIASA), Austria, David Horlacher, Department of Economics, Middlebury College, Vermont, US and Leslie Mayhew, Faculty of Actuarial Science and Statistics, Cass Business School, City University, London, UK
