This paper analyses the border effect in Spain using a unique dataset on intranational trade flows over the period 1995-98. The results indicate that, after controlling for market size and distance, Spanish regions trade around 22 times more with the rest of Spain than they do with OECD...

This paper investigates the existence of a continental bias in world trade and the potential differences in this bias across continents and at trade margins. We find a moderate positive continental bias in trade that masks an uneven impact of continental boundaries across continents. At the...