Banking Problems May Be Tip of Debt Iceberg

The biggest question facing the economy lately has been: How bad will the banking turmoil be? Though two U.S. banks failed a month ago, and a third is still struggling, emergency lending by the Federal Reserve seems to have prevented broader harm.

The next question should be: Will it spread beyond the banks? That is because the collapse of Silicon Valley Bank a month ago, which touched off this bout of turmoil, was a symptom, not a cause, of broader forces at work in the financial system and the economy.