Keynes was a great economist. In every discipline, progress comes from people who make hypotheses, most of which turn out to be wrong, but all of which ultimately point to the right answer. Now Keynes, in 'The General Theory of Employment, Interest and Money,' set forth a hypothesis which was a beautiful one, and it really altered the shape of economics. But it turned out that it was a wrong hypothesis. That doesn't mean that he wasn't a great man!

What central banks can control is a base and one way they can control the base is via manipulating a particular interest rate, such as a Federal Funds rate, the overnight rate at which banks lend to one another. But they use that control to control what happens to the quantity of money. There is no disagreement.

Economists may not know much. But we know one thing very well: how to produce surpluses and shortages. Do you want a surplus? Have the government legislate a minimum price that is above the price that would otherwise prevail. That is what we have done at one time or another to produce surpluses of wheat, of sugar, of butter, of many other commodities. Do you want a shortage? Have the government legislate a maximum price that is below the price that would otherwise prevail.

The great achievements of civilization have not come from government bureaus.

See, if you look at the drug war from a purely economic point of view, the role of the government is to protect the drug cartel. That's literally true.

Self-interest is not myopic selfishness. It is whatever it is that interests the participants, whatever they value, whatever goals they pursue. The scientist seeking to advance the frontiers of his discipline, the missionary seeking to convert infidels to the true faith, the philanthropist seeking to bring comfort to the needy - all are pursuing their interests, as they see them, as they judge them by their own values.

There are severe limits to the good that the government can do for the economy, but there are almost no limits to the harm it can do.