Not an economist, but it's obvious to anyone used to thinking in terms of systems that index funds can't work after a certain amount of the money poured into the system is managed by index funds. What's the limit - 30% 40%, 50%, 60%? What's the current level in terms of managed capital? (Edit: https://www.cnbc.com/2019/03/19/passive-investing-now-contro... says 45% for US stock-based funds, half a year ago, so maybe…
I’m know I’m a dummy when it comes to economics, and an investor in index funds because of that. But it strikes me that index funds are parasitical in a way and depend on price signals from active investors. Some people say that it’s ok, the situation is self-correcting. But what if the smart active money is active in places we can’t see in the public markets? Again, I’m a dummy, but I believe a lot of investment is…
I'll just point out there's the argument about market makers and underwriting and blah blah blah. If that's such an issue just price that into the underwriter fees to begin with. No reason the public markets should lose out on a 30% gain to people that didn't actually take a risk and invest early in the company, and only intend to hold the stock for 8 hours at most.