Abdelaati Daouia is an Associate Professor of Applied Mathematics at the University of Toulouse Capitole, France. Having published in leading statistics and econometrics journals, his main research fields include frontier models and extreme value theory. His most recent works concern statistical methods in production econometrics and financial risk. His interests also include shape-constrained estimation and the problem of optimal location. He has been awarded a Marie Curie Intra-European Fellowship in Mathematics and is currently an Associate Editor of the Journal of Nonparametric Statistics and the Journal of Statistical Planning and Inference.  Anne Ruiz-Gazen is a Professor of Statistics at the University of Toulouse Capitole, France. Her research interests include multivariate data analysis, robust statistics, computational statistics, survey sampling, spatial statistics and econometrics. She has published more than sixty papers and is currently an Associate Editor of the Journal of Multivariate Analysis and Statistical Papers. In addition, she is the Director of the international Master’s Program in Statistics and Econometrics at the Toulouse School of Economics.