Stochastic Producer Prices and Shock Persistence in Agriculture: Implications for Food Policy and Price Information. Ethiopian Journal of Economics, [S. l.], v. 12, n. 2, p. 38–59, 2006. Disponível em: http://ethiopianjournalofeconomics.org/index.php/EJE/article/view/366.. Acesso em: 27 jul. 2026.