1) Consumer behaviour 
An internality is a term, introduced in 1993 and used in behavioral economics to describe those types of behaviors that impose costs on a person in the long-run that are not taken into account when making decisions in the present. Classical Economics discourages government from creating legislation that targets internalities, because it is assumed...
• (n.) The state of being internal or within; interiority.
In`ter·nal'i·ty noun The state of being internal or within; interiority.