Recent literature on border effect has demonstrated that national trade (intra- as well as interregional trade) tends to be more intense than international trade. Unfortunately, owing to the dearth of information on interregional economic relations, this important aspect of the economy has...

The authors conduct an empirical study of the Heckscher—Ohlin—Vanek (HOV) model of trade using regional data rather than country data. Findings for Spanish regions suggest that relaxing the assumption of world factor price equalization alone is not enough to improve the performance...