KOTYRLO, Elena; KOTYRLO, Elena. Simple and complex difference-in-differences approach. Applied Econometrics, [S. l.], v. 73, n. 1, p. 119–142, 2024. DOI: 10.22394/1993-7601-2024-73-119-142. Disponível em: https://applied-econometrics.owebs.ru/article/view/19898. Acesso em: 8 nov. 2026.