Earlier quoted context omitted.
Banks don't lend out deposits. They don't take deposits and lend out 90% or so. Fractional reserve banking is a model of how banking works but it's a wrong model. In reality banks make loans (which create deposits). They try to attract deposits from other banks because they need enough bank reserves to cover liquidity issues (like customers transferring money to other banks). When a bank transfers deposits to another…
> Fractional reserve banking is a model of how banking works but it's a wrong model. [...] They try to attract deposits from other banks because they need enough bank reserves Not completely wrong, after all.
Notice the issue that SVB had was a huge influx of deposits and not enough loans.