Trickle-down economics is a myth. Enriching corporations - as the TPP would - will not necessarily help those in the middle, let alone those at the bottom.

The IMF is a more complicated issue. I think there is a broad sentiment among both the left and the right that the IMF may be doing more harm than good. On the right, there's the view that it represents a form of corporate welfare that is counter to the IMF's own ideology of markets. But anybody who has watched government from the inside recognizes that governments need institutions, need ways to respond to crises. If the IMF weren't there, it would probably be reinvented. So the issue is fundamentally reform.

The issue is: $1 trillion or $2 trillion is a lot of money. If our objective is to have stability in the Middle East, secure oil, or extend democracy, you can do a lot of democracy buying for this sum. To put it in context: The whole world spends $50 billion a year on foreign aid.

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.

You can't overestimate what happens when you encourage regulators to believe that the goal of regulation is not to regulate.

But individuals and firms spend an enormous amount of resources acquiring information, which affects their beliefs; and actions of others too affect their beliefs.

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.