1. Inria, Sorbonne Université, Université Paris-Diderot SPC, CNRS, Laboratoire Jacques-Louis Lions, équipe Mamba, Paris, France
2. Department of Economics, Universitá di Bologna, Bologna, Italy
3. Department of Mathematics and Geosciences, University of Trieste, Trieste, Italy
4. Department of Economics and Management, University of Pisa, Pisa, Italy