Fafchamps, Marcel; Gabre-Madhin, Eleni Z.; Minten, Bart - International Food Policy Research Institute (IFPRI) - 2003
"Using detailed trader surveys in Benin, Madagascar, and Malawi, this paper investigates the presence of increasing returns in agricultural trade. After analyzing margins, costs, and value added, we find little evidence of returns to scale. Motorized transport is found more cost effective for...