The aim of this paper is to survey what has been done by the New Economic Geography (NEG) on a regional scale in order to answer the three following questions: what are the predictions of the NEG concerning the future of regions in the triad? Are these predictions robust? What can be the optimal...

We develop a model for developing countries that investigates the factors behind agglomeration of activities in urban giants. Firstly we show that relatively easier market access to external demand provided by the urban giant tends to attract entrepreneurs to this place. Secondly we find that...