The illiterate expression ‘given data’ constantly recurs in Lange. It appears to have an irresistable attraction to mathematical economists because i… - Friedrich Hayek

It seems to me that the future of peaceful international relations and the safety of persons in foreign countries would have been much better served if, after the Iranian Government placed itself outside the community of nations by approving the holding captive of the personnel of the United States embassy, the United States Government had at once sent an ultimatum saying that, unless every single member of the embassy staff were within 48 hours handed over unharmed to representatives of the United States Government at some place outside Iran, bombs would be falling at an increasing rate at the seat of the Iranian Government.

What the planning authority would have to know would not be the mere totals but the distinct, peculiar conditions prevailing in each enterprise which affect the information about values transmitted through market prices but would be completely lost in any statistical information about quantities that might reach the authority from time to time.

The socialist argument continues despite its many defeats―on the impossibility of economic calculation under collectivism, the fallacious claims for the use of markets under socialism, the incompatibility of liberty and state direction of the economy, and many others. The argument is being won by the new liberals of the late 20th century. But many people still do not understand it. And most on the Left continue to resist it.