The Yield Curve And The Boom-Bust Cycle

The central bank is not the root cause of the boom-bust cycle. The root cause is fractional reserve banking (the ability of banks to create money and credit out of nothing). The central bank’s effect on the cycle is to extend the booms, make the busts more severe and prevent the investment errors of the boom from being fully corrected prior to the start of the next cycle. Consequently, there are some important relationships between interest rates and the performance of the economy that would hold with or without a central bank, provided that the practice of fractional reserve banking was widespread. One of these relationships is the link between a reversal in the yield curve from flattening to steepening and the start of an economic recession/depression.
Unfortunately, the data we have at our disposal doesn’t go back anywhere near as far as we’d like, where ‘as far as we’d like’ in this case means 150 years or more. For example, the data we have for the 10year-2year spread, which is our favourite indicator of the US yield curve, only goes back to the mid-1970s.
For a longer-term look at the performance of the US yield curve the best we can do on short notice is use the Fed’s data for the 10year-3month spread, which goes back to the early-1960s. However, going back to the early-1960s is good enough for government work and is still satisfactory for the private sector.
As explained in many previous commentaries, the boom phase of the cycle is characterised by borrowing short-term to lend/invest long-term in order to take advantage of the artificial abundance of cheap financing enabled by the creation of money and credit out of nothing. This puts upward pressure on short-term interest rates relative to long-term interest rates, meaning that it causes the yield curve to flatten.

This post was published at GoldSeek on Sunday, 17 December 2017.


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