ELEMENTS D'ANALYSE Cette etude met d'abord en evidence la necessite de realiser de grands projets d'infrastructure, et degage, a partir d'une analyse des realisations du passe, les caracteristiques qu'ont en commun ces projets et les methodes de financement qui ont ete utilisees.
THE ANALYSIS The study first establishes the need to realise large infrastructure projects and identifies, on the basis of schemes which have already been implemented, the characteristics which such projects have in common and the methods of financing which have been used.