The key idea is that the SVSC works because people are willing to exchange information with other members with no tangible benefits other than expressing their passion for making a difference.

FORBES: Why Elad Gil Gives Back To Silicon Valley

Not long before Mr Bush announced a significant increase in the American aid budget at the Monterrey summit in March, his treasury secretary had been openly expressing scepticism about the benefits of such cash handouts.

ECONOMIST: Missed but not mourned | The