成人快手

Money: Does it make us happy? Does it even motivate us? Or does it turn us into sociopaths? Laurence Knight finds out as he speaks to psychologists Dacher Keltner of the University of California in Berkeley, and Dan Ariely of Duke Univeristy, as well as to Brookings Institution economist Carol Graham.

Are we more productive when we are paid big bonuses? Does rapid economic growth make people more upbeat? And who is more likely to steal sweets from kids? The answers may surprise you.