The better question is why are you surprised by this behavior, OP?
Misbehaving: The Making of Behavioral Economics
Manias, Panics, and Crashes: A History of Financial Crises
Animal Spirits: How Human Psychology Drives the Economy, and Why It Matters for Global Capitalism
Some suggestions: * Misbehaving by Richard Thaler. Describes the beginning of behavioral economics. * The Rational Animal by Kenrick & Griskevicius. A good counterpoint to much BE, they argue that many biases make sense from an evolutionary perspective.