The market efficiency hypothesis: The case of coffee and cocoa futures

Agricultural Economics - Tập 16 - Trang 171-184 - 1997
Jean Bosco Sabuhoro1, Bruno Larue1
1CREA and Département d'Économie Agroalimentaire et des Sciences de la Consommation, Université Laval, Sainte-Foy, Québec, G1K 7P4 Canada