The Index Fund Advantage: Weighing Actively Managed Funds Against Passive Investing The world of investing is often dominated by a single question: should you put your money in an index fund or actively managed funds?
At its core, this decision comes down to how you view the relationship between cost and performance.
As estimated, nearly three quarters of all mutual fund assets are held in passively managed index funds, but despite their popularity, actively managed funds still have a devoted following.