[We] administered testosterone to men; instead of sharing money, they become selfish. Interestingly, high testosterone males are also more likely to use their own money to punish others for being selfish.
Paul J. ZakShowing kindness causes oxytocin release in the recipient that motives him or her to be kind to others. You can start this virtuous cycle in the simplest ways, for example, by giving someone a hug. I send you a hug!
Paul J. ZakTrust is kind of this economic lubricant. When trust is high, morale is high. ... Higher trust environments produce individuals who are happier.
Paul J. ZakOxytocin infusion increases generosity in unilateral monetary transfers by 80 percent [and] increases donations to charity by 50 percent.
Paul J. Zak