The p‐median model is used to locate P facilities to serve a geographically distributed population. Conventionally, it is assumed that the population always travels to the nearest facility. Drezner and Drezner (2006, 2007) re‐estate three arguments on why this assumption might be incorrect, and they introduce the gravity p‐median model to relax the assumption. We favor the gravity p‐median model, but we note that in an applied setting, the three arguments are incomplete. In this communication, we point at the existence of a fourth compelling argument for the gravity p‐median model.
