This paper argues that the conventional definition of the elasticity of complementarity is not well suited to deal with the case of increasing returns. It proposes a slightly different formula, that uses a distance function formulation instead of a production function. The proposed definition...

While exports within NAFTA face a lower hazard of ceasing, its onset has increased the hazard for Mexican and US intra NAFTA exports. Intra NAFTA exports still enjoy a lower hazard relative to exports to non-members. While NAFTA did affect the hazard for Canada's exports in the short run, its...