World War II was really unusual, because America was in the Great Depression before. So the war did help the US economy to get securely out of this decline. This time, the war [in Iraq] is bad for the economy in both the short and long run. We could have spent trillions in research or education instead. This would have led to future productivity increases.

During my three years as chief economist of the World Bank, labor market issues were looked at through the lens of neoclassical economics. A standard message was to increase labor market flexibility. The not-so-subtle subtext was to lower wages and lay off unneeded workers.

If you destroy a firm, you can't pull it out of bankruptcy overnight.

Any society has to delegate the responsibility to maintain a certain kind of order. Enforcing regulations, making sure people stop at stoplights. We can’t function as a society without rules and regulations, and the enforcement mechanism of those rules and regulations.

I went to Amherst because my brother had gone there before me, and he went there because his guidance counselor thought that we would do better there than at a large university like Harvard.

International lending banks need to focus on areas where private investment doesn't go, such as infrastructure projects, education and poverty relief.

The attempt to minimize cost and maximize profits often interfered with our true mission in Iraq. We should have been working to get jobs for Iraqis, but the contractors found it cheaper to import Nepalese and others. This increased resentment, contributed to unemployment, and to our losing the hearts and minds of the Iraqis.