Economic geography and the new urban theories create an original analytical framework in spatial economics in order to study location issues within an environment of increasing returns and imperfect competition. Two research topics are related : the first one wonders when a symmetric...

This article aims at evaluating the link between knowledge properties and geographical proximity in the coordination R&D activities of firms. This evaluation is based on a statistical analysis of 614 responses to a survey carried out in France over 3740 plants having R&D activities. The concepts...

History of population and employment suburbanization, mainly in the United States, suggests three characteristics of the phenomenon. 1/ Suburbanization results in urban sprawl in such a way that population and employment increase more rapidly in the periphery than in the center. 2/...

We present a simple model of economic geography based on the following circularity: (1) regions in which high-earnings skilled workers live have a high market potential and are therefore attractive for firms; (2) the presence of many firms in a region encourages workers to acquire the skills...