The Basel Committee for Banking Supervision’s dangerous distortion of the allocation of bank credit, all explained for dummies in just four tweets.
If a safe borrower’s 4% and a riskier borrower’s 6% provide banks the same 1% risk adjusted net margin then, before the introduction of BCBS’s credit risk weighted capital requirements, those would have been the rates charged by banks.
But now, because the “safer” can e.g. be leveraged 25 times while the riskier e.g. only 12.5 times, with those initial rates, the safer will provide banks a 25% risk adjusted return on equity, while the riskier only 12.5%.
So, now the safer could be offered less than a 4% rate, even down to 3.5% (new risk adjusted net margin of .5%) and still be competitive vs. the riskier when accessing bank credit, and/or be awarded too much credit… which could (will, sooner or later) turn him risky.
And the riskier will now have to pay 7% (new risk adjusted net margin of 2%) in order to remain competitive vs. the safer, which would make him even riskier, or not have access to credit at all, which could hurt the growth possibilities of the real economy
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