BERG, Ernst. The State-Contingent Approach in the Context of Mathematical Optimisation. German Journal of Agricultural Economics, [S. l.], v. 61, n. 1, 2012. DOI: 10.52825/gjae.v61i1.1864. Disponível em: https://www.tib-op.org/ojs/index.php/gjae/article/view/1864. Acesso em: 15 jun. 2025.