CEI, L.; STEFANI, G.; DEFRANCESCO, E. The role of group-time treatment effect heterogeneity in long standing European agricultural policies. An application to the European geographical indication policy. Bio-based and Applied Economics, [S. l.], v. 9, n. 1, p. 85–107, 2020. DOI: 10.13128/bae-8464. Disponível em: https://oaj.fupress.net/index.php/bae/article/view/8464. Acesso em: 4 may. 2024.