The Input-Output Matrix of Mercosul for the Year of 1990 : Sectorial Interdependence between the Production and the Final Demand

The article presents, briefly, the structure of an input-output model developed for Mercosul, its methodology of construction and its compilation process. After that, it is characterized, within the markets of Argentina, Brazil, Chile and Uruguay, the domestic intersectorial relations, both intra-block and extra-block that exist between the final demand and the production. It was verified, in relative terms, a bigger insertion of the economies from Chile and Uruguay, in the international market in relation to the economies of Argentina and Chile. The coefficients of inducted production, in general, suggest that increases in the final demand of the countries will result in great increases in the domestic production. Considering the exportation structure of Argentina, Chile and Uruguay, the activities that stands out the most are the ones of the agriculture and cattle breeding and primary processing resources; Opponent to those characteristics, in Brazil the exportations are diversified, since besides the characteristics listed above, long and heavy scales of secondary production are included. Because of those facts, it exists inequalities in the structure of inter-regional transactions considering the benefits effects that the countries make good use of