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.

The analysis in the era of Ronald Reagan and Margaret Thatcher was that government was interfering with the efficiency of the economy through protectionism, government subsidies, and government ownership. Once the government "got out of the way," private markets would allocate resources efficiently and generate robust growth. Development would simply come.

Economists often like startling theorems, results which seem to run counter to conventional wisdom.

The crisis was 2008, in 2015 - almost eight years later and the gap between where we would have been and where we are is huge and not closing. The implied unemployment rate is very high, labour force participation is very low, and the increase in wages in the second quarter was the lowest in 25 years. Before this turmoil, the U.S. economy was in better shape than Europe or Canada, but not strong.

The life prospects of an American are more dependent on the income and education of his parents than in any of the other advanced industrial countries.

Put yourself in the shoes of one of these oligarchs who has been given a gift of $10 billion. Russia is in a deep depression. Nobody's investing. There is a widespread political consensus that the way you got your wealth is illegitimate.

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