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!
Milton FriedmanThe future of private enterprise capitalism is also the future of a free society. There is no possibility of having a politically free society unless the major part of its economic resources are operated under a capitalistic private enterprise system.
Milton FriedmanSo long as large sums of money are involved - and they are bound to be if drugs are illegal - it is literally impossible to stop the traffic, or even to make a serious reduction in its scope.
Milton FriedmanIndividual price and wage changes will not be prevented. In the main, price changes will simply be concealed by taking the form of changes in discounts, service, and quality, and wage changes, in overtime, perquisites and so onโฆ. But to whatever extent the freeze is enforced, it will do harm by distorting relative prices.
Milton Friedman