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1Scan for outdated or missing drivers - takes under a minute2Repair Windows errors before they cause bigger problems3Fix the driver behind crashes, sound loss and screen glitchesA crack-up boom is Ludwig von Mises’s term for a terminal rush out of money and into goods when people expect money to keep losing purchasing power. In the Austrian monetary account, this flight can end with money losing its role as a medium of exchange. The term describes more than a rapid rise in prices: it refers to a breakdown in the willingness to hold money.
What does “crack-up boom” mean?
The phrase comes from Ludwig von Mises and his account of episodes of severe monetary depreciation. When people expect prices to keep rising and money’s purchasing power to keep falling, they try to hold less cash and spend it sooner. The Mises Institute describes this as a “flight into real goods”; Mises wrote that the phenomenon during the great European inflations of the 1920s was called “flight into real goods” or “crack-up boom.” (Mises Institute)
In plain language, people rush to exchange money for things they expect to retain value rather than keep money for later. The term “boom” refers to this surge in buying real goods, not necessarily to healthy, lasting growth in production or prosperity.
How is a crack-up boom different from an ordinary boom?
| Feature | Ordinary boom | Crack-up boom in the Austrian account |
|---|---|---|
| What “boom” describes | An expansion in economic activity. | A rush to acquire real goods as confidence in money erodes. |
| Willingness to hold money | People continue to use and hold money for transactions and future spending. | People try to reduce the money they hold because they expect further depreciation. |
| Focus of the explanation | Productive expansion. | Flight from money into goods. |
| Monetary-system breakdown | Not part of the ordinary meaning of a boom. | The account describes a possible endpoint as the collapse of the monetary system and money’s exchange role. |
This distinction matters because a strong economy, rising asset prices, or inflation by itself does not establish that a crack-up boom is occurring. The concept is specifically about a severe loss of demand to hold money and belongs to Mises-associated Austrian monetary theory.
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How does the Austrian explanation describe the process?
- Expectations change. People become convinced that money will continue to lose purchasing power, for example because they expect the money supply to keep increasing and prices to keep rising.
- People reduce cash balances. They try to avoid holding money and bring purchases forward, seeking goods or other real values instead.
- The flight can become self-reinforcing. As people try to spend money sooner, confidence in money may weaken further. In the Austrian account described by the Mises Institute, continued credit expansion can be associated with a general flight into real values and eventual monetary-system collapse. (Mises Institute)
This is a theoretical explanation, not an automatic forecast. Inflation or credit growth alone does not prove that the final stage is underway; the defining idea is a widespread effort to escape money because people expect its purchasing power to keep falling.
Is a crack-up boom the same as hyperinflation?
No. Hyperinflation describes an extreme pace of price increases, while “crack-up boom” refers to a particular flight from money within the Austrian account. A high inflation rate may be relevant context, but the two terms are not interchangeable, and a monthly inflation figure is not a crack-up-boom test.
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The Mises Institute article notes differing conventions for describing hyperinflation: it attributes a threshold of 10 percent per month to “some people” and 20 percent per month to “others.” The article says these rates imply annual price increases of around 214 percent and nearly 792 percent, respectively. They are examples of competing conventions reported by that source, not a consensus standard or a definition of a crack-up boom. (Mises Institute)
Where does the term come from?
Mises discusses the phrase in Human Action: A Treatise on Economics. The Mises Institute article cites the 1996 Scholar’s Edition, page 412, for his description of the “flight into real goods” during the great European inflations of the 1920s. In German, the quoted terms are Flucht in die Sachwerte and Katastrophenhausse. The historical reference explains the term’s origin; it does not, by itself, establish a universal test for identifying the phenomenon in other periods.
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What can the term tell you—and what can’t it?
The term is useful for naming a particular concern: people may lose confidence in money so deeply that they seek to spend it as quickly as possible rather than hold it. But the sources cited here present the concept within Austrian theory and do not establish a cross-school consensus definition or agreed empirical test. A current inflation rate, rising prices, or credit expansion should not be treated on its own as proof of a crack-up boom.
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