What’s more, the Fed could make the problem that led to Silicon Valley Bank’s troubles even worse for other banks. That’s because the Fed is at least indirectly responsible for what happened.

Banks finance themselves mainly by taking in deposits. They then use those essentially short-term deposits to lend or make investments for longer terms at higher rates. But investing short-term deposits in longer-term securities – even ultra-safe U.S. Treasurys – creates what is known as interest rate risk.

That is, when interest rates go up, as they did throughout 2022, the values of existing bonds drop. SVB was forced to sell $21 billion worth of securities that lost value because of the Fed’s rate hikes at a loss of $1.8 billion, sparking its crisis. When SVB’s depositors got the wind of it and tried to withdraw $42 billion on March 9 alone – a classic bank run – it was over. The bank simply couldn’t meet the demands.

But the entire banking sector is sitting on hundreds of billions of dollars’ worth of unrealized losses – $620 billion as of Dec. 31, 2022. And if rates continue to go up, the value of these bonds will keep going down, which fundamentally weakens banks’ financial situation.

While that may suggest it’s a no-brainer to put the rate hikes on hold, it’s not so simple.

Inflation has been a major problem plaguing the U.S. economy since 2021 as prices for homes, cars, food, energy and so much else jump for consumers. The last time consumer prices soared this much, in the early 1980s, the Fed had to raise rates so high that it sent the U.S. economy into recession – twice.

High inflation quickly cuts into how much stuff your money can buy. It also makes saving money more difficult because it eats at the value of your savings. When high inflation sticks around for a long time, it gets entrenched in expectations, making it very hard to control.

This is why the Fed jacked up rates so fast. And it’s unlikely it’s done enough to bring rates down to its 2% target, so a pause in lifting rates would mean inflation may stay higher for longer.

Moreover, stepping back from its one-year-old inflation campaign may send the wrong signal to investors. If central bankers show they are really concerned about a possible banking crisis, the market may think the Fed knows the financial system is in serious trouble and things are more dire than previously thought.

At the very least, the complex global financial system is showing some cracks.

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