New economic geography focuses on the impact of falling transport costs on the spatial distribution of activities … of migration costs, which are a strong impediment to moving. We show that this neglect is unwarranted. Regardless of the … level of transport costs, rising labor productivity fosters the agglomeration of activities, whereas falling transport costs …

economic activity; ii) urban infrastructure development on the economic costs of curbing carbon emissions. Importantly, it is … avoiding the economic and welfare costs of the carbon price only. …

search of a general theory. Such spatial imbalances have two possible explanations. In the first one, uneven economic … results developed in standard location theory, we use a unified framework to survey the home market effect as well as … coreperiphery models. These models have been criticized by geographers because they account for some spatial costs while putting …