According to the Austrian Business Cycle Theory (ABCT), the artificial lowering of interest rates by the central bank leads to a misallocation of resources because businesses undertake various capital projects that prior to the lowering of interest rates weren’t considered as viable. This misallocation of resources is commonly described as an economic boom.
As a rule businessmen discover their error once the central bank—which was instrumental in the artificial lowering of interest rates—reverses its stance, which in turn brings to a halt capital expansion and an ensuing economic bust. From the ABCT, one can infer that the artificial lowering of interest rates sets a trap for businessmen by luring them into unsustainable business activities that are only exposed once the central bank tightens its interest rate stance.
Critics of the ABCT maintain that there is no reason why businessmen should fall prey again and again to an artificial lowering of interest rates. Businessmen are likely to learn from experience, the critics argue, and not fall into the trap produced by an artificial lowering of interest rates. Correct expectations will undo or neutralise the whole process of the boom-bust cycle that is set in motion by the artificial lowering of interest rates. Hence, it is held, the ABCT is not a serious contender in the explanation of modern business cycle phenomena.
According to a prominent critic of the ABCT, Gordon Tullock,
One would think that business people might be misled in the first couple of runs of the Rothbard cycle and not anticipate that the low interest rate will later be raised. That they would continue to be unable to figure this out, however, seems unlikely. Normally, Rothbard and other Austrians argue that entrepreneurs are well informed and make correct judgments. At the very least, one would assume that a well-informed businessperson interested in important matters concerned with the business would read Mises and Rothbard and, hence, anticipate the government action. 
Even von Mises himself had conceded that it is possible that, some time in the future, businessmen will stop responding to loose monetary policy thereby preventing the setting in motion of the boom-bust cycle. In his reply to Lachmann he wrote,
It may be that businessmen will in the future react to credit expansion in another manner than they did in the past. It may be that they will avoid using for an expansion of their operations the easy money available, because they will keep in mind the inevitable end of the boom. Some signs forebode such a change. But it is too early to make a positive statement. 
Do Expectations Matter?
According to the critics then, if businessmen were to anticipate that the artificial lowering of interest rates is likely to be followed some time in the future by a tighter interest rate stance, their conduct in response to this anticipation will neutralise the occurrence of the boom-bust cycle phenomenon. But is it true that businessmen are likely to act on correct expectations as critics are suggesting? Furthermore, the key to the business cycle is not just businessmen’s conduct but also the conduct of consumers in response to the artificial lowering of interest rates. After all businessmen adjust their activities in accordance with expected consumer demand. So on this ground one could generalise and suggest that correct expectations of people in an economy should prevent the boom-bust cycle phenomenon. But would it?
For instance, if an individual, John, as a result of a loose central bank stance, could lower his interest rate payment on his mortgage, why would he refuse to do that even if he knows that a lower interest rate leads to boom-bust cycles? As an individual, the only concern John has is his own well being. By paying less interest on his existent debt, John’s means have now expanded. He can now afford various ends that previously he couldn’t undertake. As a result of the central bank’s easy stance, the demand for the goods and services of John and other mortgage holders has risen. (Again it must be realised that all this couldn’t have taken place without support from the central bank, which accommodates the lower interest rate stance).
Now, the job of a businessman is to cater for consumers future requirements. So whenever he observes a lowering in interest rates, he knows that this most likely will provide a boost to the demand for various goods and services in the months ahead. Hence, if he wants to make a profit, he would have to make the necessary arrangements to meet the future demand.
For instance, if a builder refuses to act on the likely increase in the demand for houses because he believes that this is on account of the loose monetary policy of the central bank and cannot be sustainable, then he will be out of business very quickly. To be in the building business means that he must be in tune with the demand for housing. Likewise, any other businessman in a given field will have to respond to the likely changes in demand in the area of his involvement if he wants to stay in business.
A businessman has only two options—either to be in a particular business or not to be there at all. Once he has decided to be in a given business, this means that the businessman is likely to cater for changes in the demand for goods and services in this particular business irrespective of the underlying causes behind changes in demand. Failing to do so will put him out of business very quickly. Now, regardless of expectations once the central bank tightens its stance, most businessmen will “get caught”. A tighter stance will undermine demand for goods and services and this will put pressure on various business activities that sprang up whilst the interest rate stance was loose. An economic bust emerges.
We can conclude that correct expectations cannot prevent boom-bust cycles once the central bank has eased its interest rate stance. The only way to stop the menace of boom-bust cycles is for the central bank to stop the tampering with financial markets. As a rule, however, central banks respond to the bust by again loosening their stance and thereby starting a new boom-bust cycle phase.
 Gordon Tullock, Why the Austrians are wrong about depressions, The Review of Austrian Economics, vol 2, 1987.
 Ludwig von Mises, Elastic expectations and the Austrian Theory of the Trade Cycle, Economica, August 1943.
A couple of tweaks to this argument:
The ABCT-wise house builder sees what is happening, and understands it is a false economy, but it is tradable. So eyes wide open, in he goes, with a view to bailing out before the bailouts happen. It is a timed trade, but as Kennedy said, only a fool waits for the top. Another way to manage this is with a incorporation of LLC, and simply bankrupt the firm that had been the conduit for all profits in the house building.
The other aspect is a bit more subtle. ABCT refers to credit boom/bust, but that does not happen in a vacuum. Regulations, building codes, loan to value and other attendant factors in a boom decide the design of what will be built. In order to stay in business, one whose passion and joy is house building finds he has to build the same junk as everyone else, for the customers to get the financing like everyone else, in order to pursue his calling.
Of the two the latter is the common scenario, and it applies not just to house building, but any field from clothes to food to animal breeding business.
It is not a matter of falling prey to ABCT, it is a matter of coming to play soccer and finding it is raining. Well, buck up and play ball.
In USA Presto refused to play ball, and were prosecuted for financial crimes. Knowing a bust was coming, they held on to cash to buy up busted companies. In USA, acting on what you know is a crime.
In USA Beal Bank refused to play ball, and were prosecuted for financial crimes. Knowing a bust was coming, they held on to cash to buy up busted companies. In USA, acting on what you know is a crime.
In USA, if a businessman does not play at risk in the ABCT, he very well may go to prison.
Yes, there ARE would-be entrepreneurs who do understand the consequences of the central banks’ actions. They are the ones you see buying in the capital markets during the bust phase.
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