Nordås, Hildegunn Kyvik; Piermartini, Roberta - 2004 - Manuscript date: August 2004
model that incorporates bilateral tariffs and a number of indicators for the quality of infrastructure. The paper looks at … estimators, multilateral resistances for tariffs and remoteness are introduced in the gravity equation. Moreover, the robustness … included. The results can be summarised in four main findings: (i) bilateral tariffs, generally neglected in gravity regression …