Daily reminder that bank runs wouldn't be a thing if we did duration matching, forbidding banks from borrowing short and lending long. As always, the underlying problem in banking is that the banks are lying, telling two or more people they own the same dollar at the same point in time. If they locked deposits for a period of time they could safely (and morally) loan that money out without lying, and, in fact, there…
> Daily reminder that bank runs wouldn't be a thing if we did duration matching, forbidding banks from borrowing short and lending long. If we really want to prevent bank runs, shouldn't we just forbid lending? Snark aside, transforming duration is a big part of the value that banks add. In general, there's a lot of demand for lending short and borrowing long. Banks add value (and risk) by taking the opposite side of…
A more nuanced approach would be to value and triage lending opportunities according to how much they contribute to the heating up of the economy, and how much opportunity for future sustainability they provide.