http://The Hamburg G-20 summit: Reshaping the economy to serve people and society
https://www.brookings.edu/wp-content/uploads/2018/04/es_20180416_digitalcurrencies.pdf
https://www.veblen-institute.org/IMG/pdf/les_stress_tests_climatiques_entre_politique_de_stabilite_financiere_et_tentative_de_transition_ecologique.pdf