Today in 2005, the release of a study that found something interesting: monkeys appeared to have some of the same economic ideas that humans have, especially when it comes to something known as loss aversion.
For National Monkey Day, the story of Jack, a baboon in South Africa who was so smart he worked for a railroad for nine years without a single mistake.
The sunk-cost fallacy - when we keep at something even when it’s really not worth it anymore, just because we’ve already put so much time or effort in - is a part of human nature. But new research shows it's also a part of the nature of - this is the best part - video game playing monkeys.