I would say issues around human rights - either you're going to take a hard stance, or you're not. You can't borrow money from China the way the U.S. has done and then turn around and say, 'But you've got a human-rights problem.' You can't be half pregnant.

The notion that aid can alleviate systemic poverty, and has done so, is a myth. Millions in Africa are poorer today because of aid; misery and poverty have not ended but increased. Aid has been, and continues to be, an unmitigated political, economic, and humanitarian disaster for most parts of the developing world.

I was initially very interested in public policy, but then after my masters at Harvard, I felt that it was important to get a better handle on the economics of it as well. I did my Ph.D. in macroeconomics, and my thesis - 'Why Is It That Some Countries Save And Others Not?' - was on savings.

The western mindset erroneously equates a political system of multi-party democracy with high-quality institutions... the two are not synonymous.

Reforms ensure that everybody benefits and the state generates financial resources to provide for the really deserving.

The world's greatest city - New York City - deserves a government that works for all New Yorkers. That starts with a mayor who is independent from party bosses and special interests, who isn't afraid to be honest with the people, and who is focused on the issues New Yorkers care about most.

I didn't really come from money. So I wanted my thesis show to grab as much attention as possible.

In some families, parents don't read or don't have the money to spend on books.