Why the money multiplier remains so low

George Selgin’s latest monetary policy primer was a very good explanation of the money multiplier in fractional reserve banking systems. He also suggested that a number of factors may be affecting the current surprisingly low level of the multiplier; a fact that prompted a number of endogenous money theorists to (wrongly) assert that the multiplier was ‘dead’.

In this post, I wish to elaborate on the reasons behind the low multiplier. And those reasons are, in my view, related to banking mechanics and regulatory dynamics.

Let’s first start with a little bit of history to put things in perspective. Some time ago, and following one of my blog posts on the topic, Levi Russel from the Farmer Hayek blog – who is much better than I am at manipulating FRED data – kindly sent me the following chart representing the M2 multiplier (‘MM’) since 1920:

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