Research on the spatial aspects of economic activity has flourished over the past decade due to the emergence of new theory, new data, and an intense interest on the part of policymakers, especially in Europe but increasingly in North America and elsewhere as well. However, these...

This paper has two purposes. It introduces a direct approach to policy analysis in endogenous growth models - the q-theory approach - and uses this to illustrate several new openness-and-growth links that appear when we enrich the economic content of the early trade and growth models. The...

This paper develops a model of trade and CO2 emissions with heterogenous firms, where firms make abatement investments and thereby have an impact on their level of emissions. The model shows that investments in abatements are positively related to firm productivity and firm exports. Emission...