✓ Verified in Human Action
From Human Action — surrounding passage
On the other hand the growing of wheat is the cheapest way for the Canadian farmer to acquire watches. The fact that the inhabitants of the Jura do not grow wheat and the Canadians do not manufacture watches is not more worthy of notice than the fact that tailors do not make their shoes and shoemakers do not make their clothes. 15. The Chimera of Nonmarket Prices Prices are a market phenomenon. They are generated by the market process and are the pith of the market economy.
“There is no such thing as prices outside the market. Prices cannot be constructed synthetically, as it were.”
They are the resultant of a certain constellation of market data, of actions and reactions of the members of a market society. It is vain to meditate what prices would have been if some of their determinants had been different. Such fantastic designs are not more sensible than whimsical speculations about what the course of history would have been if Napoleon had been killed in the battle of Arcole or if Lincoln had ordered Major Anderson to withdraw from Fort Sumter.