If farming were to be organised like the stock market, a farmer would sell his farm in the morning when it was raining, only to buy it back in the afternoon when the sun came out.
Interpretation
The quote critiques the irrationality of market speculation compared to the more stable, grounded nature of farming.
John Maynard Keynes uses this metaphor to illustrate how wildly unpredictable and sometimes absurd the financial markets can be. He contrasts this with the more practical and measured approach seen in farming, suggesting that if farmers acted like stock traders, they would make hasty decisions based on transient conditions rather than sound judgment, highlighting the folly of treating essential activities like farming with the same speculation and volatility as the stock market.
In practice
In a discussion about market volatility, one might use this quote to illustrate irrational trading behavior.
As time goes on, I get more and more convinced that the right method of investment is to put fairly large sums into enterprises which one thinks one knows something about and in the management of which one thoroughly believes.
The ideas of economists and political philosophers, both when they are right and when they are wrong, are more powerful than is generally understood. Indeed, the world is ruled by little else.
The disruptive powers of excessive national fecundity may have played a greater part in bursting the bonds of convention than either the power of ideas or the errors of autocracy.
We will not have any more crashes in our time.
This long run is a misleading guide to current affairs. In the long run we are all dead. Economists set themselves too easy, too useless a task if in tempestuous seasons they can only tell us that when the storm is long past the ocean is flat again.
The book, as it stands, seems to me to be one of the most frightful muddles I have ever read, with scarcely a sound proposition in it beginning with page 45 [Hayek provided historical background up to page 45; after that came his theoretical model], and yet it remains a book of some interest, which is likely to leave its mark on the mind of the reader. It is an extraordinary example of how, starting with a mistake, a remorseless logician can end up in bedlam.
Four things have almost invariably followed the imposition of controls to keep prices below the level they would reach under supply and demand in a free market: (1) increased use of the product or service whose price is controlled, (2) Reduced supply of the same product or service, (3) quality deterioration, (4) black markets.
Poorly paid labor is inefficient labor, the world over.
This is the paradox of thrift: belt-tightening causes people to lose their jobs, because other people are not buying what they produce, so their debt burden rises rather than falls.
Economic growth without social progress lets the great majority of the people remain in poverty, while a privileged few reap the benefits of rising abundance.
There can be no rise in the value of labour without a fall of profits.
Political economy came into being as a natural result of the expansion of trade, and with its appearance elementary, unscientific huckstering was replaced by a developed system of licensed fraud, an entire science of enrichment.
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