Government Policy and Dynamic Supply Response - A Study of the Compulsory Grain Delivery System. Ethiopian Journal of Economics, [S. l.], v. 9, n. 2, p. 1–42, 2004. Disponível em: https://ethiopianjournalofeconomics.org/index.php/EJE/article/view/368.. Acesso em: 25 jun. 2026.