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Austrian Business Cycle Theory

Why a credit boom can end in a painful adjustment

Businesses build, people spend and jobs multiply. Why does apparent prosperity sometimes turn into unfinished projects and layoffs? Austrian Business Cycle Theory looks for one possible answer in the relationship between credit, saving and real production possibilities. What matters is not only how much money is invested, but whether the plans can work together.

Austrian Business Cycle Theory is associated with Ludwig von Mises and Friedrich Hayek. It proposes that easier access to loans can lower interest rates below the level consistent with voluntary saving and encourage plans without suitable resources to support them. It describes a particular boom-and-bust mechanism; it does not by itself establish the cause of every recession, a period when economic activity declines.

Imagine a furniture maker planning a new building because borrowing has become cheaper. Other firms think similarly. In Mises’s account, the important point is that the change arrives through the credit market: business owners see different financing costs and alter their plans. This is more specific than an abstract increase in the quantity of money. For the account to fit reality, we would need to identify who obtained credit and what the changed conditions prompted them to do. [1]

The Bank of England explains that a commercial bank normally creates a new deposit when it lends. It does not merely pass on existing savings. The manufacturer gains purchasing power, but the account entry itself adds no wood, electricity or skilled people. This banking mechanism must be distinguished from the cycle theory. Deposit creation is one step; the next question is how the money affects prices and the use of real resources. [3]

If households put off some purchases, resources might shift from production for today towards projects for the future. Roger Garrison explains the role of voluntary saving this way. During a credit boom, however, firms may expand their plans while customers want to consume just as much or more. Our manufacturer then needs people for the new building and for current orders at once. The theory asks whether these demands can all be met together. [2]

An obvious objection is that investment and consumption sometimes rise together. Garrison’s model allows for this. Staff can work overtime, machines can run longer and maintenance can be postponed. Higher output today may not be sustainable. His production possibilities frontier describes sustainable combinations of consumption-goods and investment-goods production. A boom driven by temporary overuse is therefore different from a lasting improvement in productive possibilities. [2]

In our example, the firm might erect a building only to find that affordable machinery, operators or enough orders for increased production are missing. Mises calls such misdirected investment Malinvestment. Adding up expenditure is therefore not enough. The connections between projects and when their parts will be ready also matter. High spending alone does not guarantee a working business. [1]

One unfinished project may be unusable; another can be reduced, sold or completed. Mises distinguishes the original loss from whether continued operation can cover costs still to come. For our building, completion costs, future income and alternative uses would matter. Adjustment means finding a feasible way forward. It is not an automatic instruction to demolish everything built during the boom. [1]

Moving people and equipment away from mistaken projects is one process. A further possibility is that falling incomes and spending worsen other businesses’ difficulties and the downturn continues. Garrison distinguishes this possible further phase as a secondary depression. It is not just another name for any production adjustment. How long a recession lasts does not, by itself, tell us whether changes in lending triggered it or which measure would best ease it. [2]

For a real episode, we need to connect changes in credit, business plans, available inputs and subsequent outcomes, while considering other explanations. Low rates followed by recession do not establish that chain by themselves. Nor does a fall in the market price of Bitcoin prove this production mechanism. The theory offers one way to understand connections, not a date for the next crash or a substitute for evidence. [1] [2]

For the clearest picture, read this entry together with Malinvestment, Natural Rate of Interest, Credit Expansion, Time Preference, Heterogeneous Capital, Bitcoin. The reverse links also lead from Malinvestment, Natural Rate of Interest, Forced Saving, Credit Expansion.

DOC · 001Mises — Human Action, XXPrimary DOC · 002Garrison — Overconsumption and Forced SavingPrimary DOC · 003Bank of England — Money creation in the modern economyPrimary
Revised: Source-first · No investment advice