Week 35 Day 3: Survivorship Bias: The Hidden Graveyard of Failed Investments

You only see the successes. The failures are invisible. When studying mutual fund performance, you only see the funds that still exist -- the thousands that closed due to poor performance are missing ...

You only see the successes. The failures are invisible. When studying mutual fund performance, you only see the funds that still exist -- the thousands that closed due to poor performance are missing from the data. This makes investing look easier and fund managers look better than they are.