Departing from the strict dichotomy of labour and
non-labour factor, the phenomenon and the theorem
can be reconciled in the dualism of skilled and
unskilled labours. Harrison and Hanson (1999)
applied the theorem to the case of Mexico during
the 1980s in the dualistic framework of skilled labour
and unskilled labour; the wages of skilled workers
rose relative to those of unskilled workers and the
consequent increase in wage inequality is observed in
Mexico by an increase in the relative price of skillintensive
goods. Trade may have been rewarding
skilled labours in Asia if we are in the dualistic
framework of skilled and unskilled labours and thus
globalization via trade