The determination of key sectors (Perroux, 1955; Hirschman, 1958) has raised a long tradition of studies in the input-output field. Their analysis allows the identification of those sectors has a high effect in the demand and supply of the system and therefore, they constitute the basis of the...

The enlargement of the European Union to 25 members implies that relative position of Andalusia will improve with regard to the new GDP per capita average. This fact may derive a reduction in structural funds support for this Spanish region objective 1. This paper is focused in the ex-post...