ScienceDaily -- Groundbreaking new research in the field of "evolutionary analysis in law" not only provides additional evidence that chimpanzees share the controversial human psychological trait known as the endowment effect -- which in humans has implications for law -- but also shows the effect can be turned on or off for single objects, depending on their immediate situational usefulness.
MORE: http://www.sciencedaily.com/releases/2012/07/120705151425.htm