08/05/2013 10:03 am ET

Retirement Income: Here's a New Tool You Might Actually Use


BlackRock just unveiled a new retirement income index that removes the guesswork. Next up: bond funds pegged to the index for near certain guaranteed income.

If you have ever played around with an online retirement calculator you probably understand that play is exactly what it is. You end up guessing at inputs, like the inflation rate, your future income tax rate, how long you’ll work and live, and how much you’ll be able to save.