Alex Tabarrok, noted economist, professor, and author of MarginalRevolution.com, one of the internet's most successful blogs, provides many reasons to be optimistic, and delivers a real surprise toward the end of the talk given the context of economic crisis, in which we now find ourselves.
About this talk from TED:
The "dismal science" truly shines in this optimistic talk, as economist Alex Tabarrok argues free trade and globalization are shaping our once-divided world into a community of idea-sharing more healthy, happy and prosperous than anyone's predictions.