Stephan Dabbert is Professor of Agricultural and Resource Economics and Dean of the Faculty of Agriculture, University of Hohenheim, Stuttgart, Germany. Anna Maria Haring is a researcher at the Interdisciplinary EU Project Organic Farming and the Common Agricultural Policy that is co-ordinated by the Institute of Farm Economics at the University of Hohenheim. Raffaele Zanoli is Associate Professor of Agro-Food Marketing at the Faculty of Agriculture, University of Ancona, Italy.