New Economic Geography (NEG) models are difficult to confront with the data, since "on the one hand, they generally emphasise the unleashing of agglomeration forces after trade liberalisation, but on the other hand, they also accomodate multiple equilibria and non-monotonicity" (Brülhart,...

In this paper we analyse the dynamics of trade patterns in the six largest industrialised countries and in eight fast growing Asian economies. For each of these countries we study the shape of the sectoral distribution of an index of trade specialisation and its evolution over time. Our analysis...