The problem is that, in a world of floating exchange rates, as Italy was before the euro, if one country is subjected to a shock which requires it to cut wages, it cannot do so with a modern kind of control and regulation system. It is much easier to do it by letting the exchange rate change. Only one price has to change, instead of many.

Thanks to economists, all of us, from the days of Adam Smith and before right down to the present, tariffs are perhaps one tenth of one percent lower than they otherwise would have been. And because of our efforts, we have earned our salaries ten-thousand fold.

There's only one thing that all of the central banks control and that is the base, their own liability, and they can control that in various ways. They can control it directly by open market operations, buying and selling government securities or other assets, for example, buying and selling gold, or they can control it indirectly by altering the rate at which banks lend to one another.

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

So the question is, do corporate executives, provided they stay within the law, have responsibilities in their business activities other than to make as much money for their stockholders as possible? And my answer to that is, no they do not.

Since the 1930s the technique of buying votes with the voters' own money has been expanded to an extent undreamed of by earlier politicians.

It's a moral problem that the government is making into criminals people, who may be doing something you and I don't approve of, but who are doing something that hurts nobody else.