The winner of the Nobel Peace Prize outlines his vision for a new business model that combines the power of free markets with the quest for a more humane world--and he tells the inspiring stories of companies that are doing this work today. In the last two decades, free markets have swept the...

A leading economist and researcher report from the front lines of a revolution in solving the world's most persistent problem. When it comes to global poverty, people are passionate and polarized. At one extreme: We just need to invest more resources. At the other: We've thrown billions down a...