There are a lot of different things in that question. So China and India certainly weren't driving the results that I was looking at. The differences across countries, in fact, are what make it interesting to pull them together. People respond to incentives, regardless of power. And institutions, they're not the same, but the way they matter is sort of the same.
Russ Roberts interviews Robert Barro, Harvard University Professor and Hoover Institution Senior Fellow, on the economics of growth, what the developed world can do to help poor people around the world, and the role of US assets and the dollar in world finance.