EKARDT, Felix. Defending Environmental Economic Instruments against the Economists and their Opponents: Analysing the Major Tool of Transformation to Sustainability. Momentum Quarterly, Innsbruck, Österreich, v. 5, n. 4, p. 224–242, 2016. Disponível em: https://momentum-quarterly-journal.uibk.ac.at/momentum/article/view/1766. Acesso em: 17 feb. 2026.