And in that case i think economic value pertains to how much time/energy someone is willing to sacrifice for something.
In the case of
Avatar
many people were willing to sacrifice X amount of time/energy. I remember watching that film for like 9 bucks at the theaters as a high schooler. so i was willing to sacrifice a few minutes of my dad's energy (labor) and then a few hours of my time (watching it and driving to the theater).
