Serious question: Why do you think that and how did you get there? Real returns 1950-2009 are 7% [1], so my numbers are already rounded down a bit. You might f

Serious question: Why do you think that and how did you get there? Real returns 1950-2009 are 7% [1], so my numbers are already rounded down a bit. You might further adjust for, say Shiller 10 year P/E numbers, but how complex do you want to make it? [1] http://www.simplestockinvesting.com/SP500-historical-real-total-returns.htm http://www.simplestockinvesting.com/SP500-historical-real-to...