This article describes the development of international trade blocs world wide from the 1950s till 2010. We updated the data on international trade flows and introduced a new trade bloc variable based on the intramax hierarchical clustering technique, which defines trade blocs on actual trade...

The question of the determinants of inter-regional knowledge flows has received a growing interest in the recent past. Particularly, the question of the relationship between geography and networks has been debated. Yet, at the inter-regional level, there is no study assessing the effect of...

Gravity models are extremely popular to investigate economic interactions across space. Bilateral ows are usually available as regionally aggregated data only, while information on demand and supply is often available at a finer spatial scale. We suggest using this information to calculate a...