Hamoudi H, Rodríguez Iglesias IM, Sanz Martín-Bustamante M. The equivalence of convex and concave transport cost in a circular spatial model with and without zoning. Estudios de economía [Internet]. 2015 Sep. 7 [cited 2024 Nov. 21];42(1):pp. 5-20. Available from: https://estudiosdeeconomia.uchile.cl/index.php/EDE/article/view/37255