Vincent Cardon is an assistant professor at the University of Picardie Jules Verne, and a member of the Centre Universitaire de Recherches sur l’Action publique et le Politique, Epistémologie et Sciences Sociales and of the Institute for Research and Innovation in Society. He holds a PhD in sociology from the Ecole des Hautes Etudes en Sciences Sociales and has published articles about the analysis of insecure labour markets, the social organisation of production in the movie industries, the effects of the Internet on evaluation (online consumer reviews in the hospitality industry), the risk assessment of unprecedented risks (agro-terrorism) and of pesticides’ health effects. His current research interests span the social construction of markets, valuation processes and quantification. He recently opened a field work on global food security issues, with a focus on the scenario analysis tools designed by agro-economists to model the long term future of agriculture.