Rees, Charles; Bautze, Lin; Bozzola, Martina; Cerroni, Simone; De Notaris, Chiara; Grovermann, Christian; Lambin, Eric F.; Reinecke, Sabine; Steffens, Markus; Wassermann, Thomas and Müller, Adrian (2026) Defining the spectrum - effect-based payments as the future model of agri-environmental policy instruments? npj Sustainable Agriculture, XX, XX. [Submitted]