He believed that businesses with sustained returns on assets (lasting for years, not months) produce superior investment returns. (25iq.com)
The reason I ask is because 1.5 % income / value in my experience does not throw off enough CF to sustain returns over a period of time. (biggerpockets.com)
To investigate what levels of sustained returns would really be required to establish evidence of skill or expertise, Browne's team modeled a random strategy to simulate so - called «naïve» play, in which equal bets were placed on randomly selected horses using a representative sample of 211 weekend races. (sciencedaily.com)