“…In other cases, the economic power struggle leads to a whole region being overpowered by another. The Toulouse region constitutes a good example, as the Airbus system is based on an extremely strong centre-margin relationship, which affects both population and commercial issues (Zuliani and Leriche, 2003;Zuliani, 2005b;Zuliani and Jalabert, 2005). Moreover, this functioning brings about the reversal of the regional structure, because the classic ascending relationship -with the city being the product of its development region, or of its regional hinterland, as Christaller would say -is reversed and replaced by a structure in which the region becomes the product, the 'child' of a ruling metropolis (Fache 2008b;Anderson 1993).…”