As an anonymous participant in financial markets, I never had to weigh the social consequences of my actions ... I felt justified in ignoring them on the grounds that I was playing by the rules.

This crisis has the potential to be a lot worse than Lehman Brothers.

This is the joint responsibility of everyone who was involved in the introduction of the euro without understanding the consequences. When the euro was introduced, the regulators allowed banks to buy unlimited amounts of government bonds without setting aside any equity capital. And the European Central Bank discounted all government bonds on equal terms. So commercial banks found it advantageous to accumulate the bonds of the weaker countries to earn a few extra basis points.

I contend that financial markets never reflect the underlying reality accurately; they always distort it in some way or another and the distortions find expression in market prices. Those distortions can, occasionally, find ways to affect the fundamentals that market prices are supposed to reflect.

Economic history is a never-ending series of episodes based on falsehoods and lies, not truths. It represents the path to big money. The object is to recognize the trend whose premise is false, ride that trend and step off before it is discredited.

The US needs a cap and trade system with auctioning of licenses for emissions rights. The revenues from these auctions can be used to launch a new, environmentally friendly energy policy. That would be yet another federal program that could help us to overcome the stagnation.

Making an investment decision is like formulating a scientific hypothesis and submitting it to a practical test.