Erick Leroux is Associate Professor at the University of Paris 13 – Sorbonne, and President of the International Association of Sustainable Tourism (AIMTD). He is an expert on environmental issues in France and the author of numerous books on sustainable tourism. His main research interests are innovation adoption and sustainable development strategies, including sustainable marketing.Jean-Marc Lusson is a socio-economist of sustainable tourism. His research focuses on satellite accounts, balance of payments, nomenclatures and classifications, data analysis and additional externalities accounts. He also works on the modelling and analysis of territorial economic resilience factors.