It explains how international trade is realized under the short run factor immobility within the Heckscher-Ohlin Theory context.

According to it, the factor mobility that is assumed by the Heckscher-Ohlin Theory can only be attained in the long run.

It postulates that some of the factors of production can be immobile or can only be used in the production of a commodity.

According to it, the mobility of the factors of production within a country cannot be attained if one of the factors is a specific factor.

It explains the situation in which a commodity is the labor-intensive commodity in the labor-abundant country and the capital-intensive commodity in the capital- abundant country.