Possessed : why we want more than we need / Bruce Hood.

"Award winning psychologist Bruce Hood draws on research from his own lab and others around the world to explain why psychological ownership is an emotional state of mind that governs our behaviour from the cradle to the grave, even when it is often irrational and destructive. What motivates us to buy more than we need? How does our urge to acquire control out behaviour, even the way we vote? And what can be do about it?"--From publisher.