“…This situation shows the need to incorporate the marketing philosophy in this sector through the use of tools to predict the volume of donors, estimate blood demand, retain and recruit donors, guarantee the availability of the product, have information on donors and manage relationships both on demand and on supply (Grant, 2010). Promoting the idea of blood donation and successfully recruiting blood donors represent two very important marketing challenges for blood donation services (Hogan et al, 2008). Nowadays these challenges are more relevant as pure altruism is no longer enough to guarantee a reliable blood supply (Gillespie & Hillyer, 2002;Nilsson Sojka & Sojka, 2003;Lacetera & Macis, 2010).…”