That is a fairly objective, measurable variation, but other qualitative differences of equal importance can also have an effect tantamount to a price change - the quality of the content, the attractiveness of the graphics, the intrinsic interest of the articles.
C'Ã©tait une variation tout Ã fait objective et mesurable mais d'autres diffÃ©rences qualitatives tout aussi importantes peuvent aussi avoir un effet Ã©quivalent Ã une variation de prix - la qualitÃ© du contenu, l'attrait du graphisme, l'intÃ©rÃªt intrinsÃ¨que des articles.