Romanian Abstract: Tehnicile seriilor de timp sunt utilizate frecvent în analiza financiară. Această lucrare abordează unele caracteristici ale variabilelor financiare care le particularizează evoluţia. Sunt prezentate, de asemenea, câteva tehnici simple de analiză a seriilor de timp

Paper is focused on identifying of the minimal set of the necessary and sufficient logical attributes of the sustainable financing source.

The paper is aimed at reviewing and analyzing the main concepts and phenomena that could be counted as generative factors for the sustainable financial source.

The process of adhesion to the European structures imposes a certain direction to the capital markets and by this to the economic development.