The world's been pretty good at coming up with new ways of doing things.

Encourage your own curiosity; pursue the problems based on that. Don't get diverted by trying to do things for your own advancement. In other words, don't be lured into responding to incentives.

Don't get diverted by trying to do things for your own advancement. In other words, don't be lured into responding to incentives.

It became clear I wanted to be a development economist. I mean, I said I wanted to work on the economics of poor countries. And I'd actually say that I don't think that was so much about narrowing the gap as about increasing their incomes, which means economic growth, which is really my prime interest.