Peaks and troughs in the spatial distributions of population, employment and wealth are a universal phenomenon in search of a general theory. Such spatial imbalances have two possible explanations. In the first one, uneven economic development can be seen as the result of the uneven distribution...

In this paper we analyze price competition between firms established in different countries when demand is sensitive to national biases. The intensity of this bias varies across consumers. In this context, trade arises because of the dispersion of consumers' perception of the foreign good; when...