Description: An aggravation of the trade balance due to the devaluation of the national currency and then a tendency to improve is observed. It is called the "J" curve factor because the trade balance graphically looks like the Latin letter “J” in the long-term period.

Description: Import in economic systems, regardless of the type of product or service, is considered as an internal variable, the dynamics of which is closely related to other economic variables, in particular, variables describing the country's economic activity, the country's exchange opportunities in the international market, and the competitiveness of imported products and services with respect to local products and services.