Comment by DebtDeflation

Historically, the worst busts following the bursting of an asset price bubble, in terms of real economic impact, have been from debt fueled bubbles (Great Depression, Global Financial Crisis). You can read Hyman Minsky and Irving Fisher for a detailed analysis of why, but it mainly comes down to the fact that the financial obligations remain once prices and expectations have reset.

Then you have the busts that follow public equity fueled bubbles (Dotcom crash). Nowhere near as bad as the former, but still a moderate impact on the economy due to the widely dispersed nature of the equity holdings and the resulting wealth effect.

What we have now is more of a narrowly held private equity bubble (acknowledging that there's still an impact through the SP500 given widespread index investing). If OpenAI, Anthropic, Perplexity, and a bunch of AI startups go bust, who loses money and what impact does it have on the rest of the economy?