The creation of a single currency is deemed to produce further heterogeneity in regional trade, as regions differ in their exposure to trade with other European countries. It is possible to disentangle two separate effects on bilateral trade, namely the “exchange rate volatility effect”...

Trade between regions separated by a sea border is affected by specific transport costs that have not been considered by the border effects literature. Among these are the existence of a time barrier, the need to combine different transport modes, or to pay fees and taxes for the use of public...