I'm for efficiency, which does not apply growth. It simply implies a higher level than an inefficient economy. And nobody should worry about using inputs more efficiently. That's just great. Even if you're afraid of climate change, what could be better than that answer? I'm for using all the natural resources that we can efficiently. But when you use up a natural resource, you useup a natural resource.
Robert Solow is 98 years old and a giant among economists. He tells Steve about cracking German codes in World War II, why it’s so hard to reduce inequality, and how his field lost its way.