Valencia-Romero R, Sánchez-Bárcenas H, Gómez-Chiñas C. Nonlinearity of demand for basic grains imports: evidence from a regime-switching model. PE [Internet]. 2021 Dec. 20 [cited 2026 Jun. 26];17(35):145-63. Available from: https://revistapanoramaeconomico.mx/index.php/PE/article/view/98