Front Page Titles (by Subject) 3: Forecasting as a Profession - Human Action: A Treatise on Economics, vol. 3 (LF ed.)
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3: Forecasting as a Profession - Ludwig von Mises, Human Action: A Treatise on Economics, vol. 3 (LF ed.) 
Human Action: A Treatise on Economics, in 4 vols., ed. Bettina Bien Greaves (Indianapolis: Liberty Fund, 2007). Vol. 3.
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Forecasting as a Profession
When the businessmen finally learned that the boom created by credit expansion cannot last and must necesarily lead to a slump, they realized that it was important for them to know in time the date of the break. They turned to the economists for advice.
The economist knows that such a boom must result in a depression. But he does not and cannot know when the crisis will appear. This depends on the special conditions of each case. Many political events can influence the outcome. There are no rules according to which the duration of the boom or of the following depression can be computed. And even if such rules were available, they would be of no use to businessmen. What the individual businessman needs in order to avoid losses is knowledge about the date of the turning point at a time when other businessmen still believe that the crash is farther away than is really the case. Then his superior knowledge will give him the opportunity to arrange his own operations in such a way as to come out unharmed. But if the end of the boom could be calculated according to a formula, all businessmen would learn the date at the same time. Their endeavors to adjust their conduct of affairs to this information would immediately result in the appearance of all the phenomena of the depression. It would be too late for any of them to avoid being victimized.
If it were possible to calculate the future state of the market, the future would not be uncertain. There would be neither entrepreneurial loss nor profit. What people expect from the economists is beyond the power of any mortal man.
The very idea that the future is predictable, that some formulas could be substituted for the specific understanding which is the essence of entrepreneurial activity, and that familiarity with these formulas could make it possible for anybody to take over the conduct of business is, of course, an outgrowth of the whole complex of fallacies and misconceptions which are at the bottom of present-day anticapitalistic policies. There is in the whole body of what is called the Marxian philosophy not the slightest reference to the fact that the main task of action is to provide for the events of an uncertain future. The fact that the term speculator is today used only with an opprobrious connotation clearly shows that our contemporaries do not even suspect in what the fundamental problem of action consists.
Entrepreneurial judgment cannot be bought on the market. The entrepreneurial idea that carries on and brings profit is precisely that idea which did not occur to the majority. It is not correct foresight as such that yields profits, but foresight better than that of the rest. The prize goes only to the dissenters, who do not let themselves be misled by the errors accepted by the multitude. What makes profits emerge is the provision for future needs for which others have neglected to make adequate provision.
Entrepreneurs and capitalists expose their own material well-being if they are fully convinced of the soundness of their plans. They would never venture to take their economic life into their hands because an expert advised them to do so. Those ignorant people who operate on the stock and commodity exchanges according to tips are destined to lose their money, from whatever source they may have got their inspiration and “inside” information.
In fact reasonable businessmen are fully aware of the uncertainty of the future. They realize that the economists do not dispense any reliable information about things to come and that all that they provide is interpretation of statistical data referring to the past. For the capitalists and entrepreneurs the economists’ opinions about the future count only as questionable conjectures. They are skeptical and not easily fooled. But as they quite correctly believe that it is useful to know all the data which could possibly have any relevance for their affairs, they subscribe to the newspapers and periodicals publishing the forecasts. Anxious not to neglect any source of information available, big business employs staffs of economists and statisticians.
Business forecasting fails in the vain attempts to make the uncertainty of the future disappear and to deprive entrepreneurship of its inherent speculative character. But it renders some services in assembling and interpreting the available data about economic trends and developments of the recent past.