Ariane Dupont-Kieffer, PhD, is Professor at the Sorbonne School of Economics at the Université Paris 1 Panthéon Sorbonne. Her research focuses on the links between economic theory, modeling and policy making and policy assessment. She has done extensive research in the area of Epistemology and History of Economic Thought and focused specifically on the history of econometrics and macroeconomics and the relationship between measurement issues, statistical analysis and policy making.  Within the perspective of sustainable transportation, she has developed the understanding of determinants of mobility with a focus on gender and equity issues to be related to efficiency. An important part of her work is dedicated to enhancing international comparison of data on gender and equity in mobility and to translate research findings into policy implementation.