5 ms·

Really? I'd be curious to see that source. It would seem to imply that it's not pure chance, but that you maybe learn from a bad year.

• MR4D 10y ago
  It's called reversion to the mean, and very well known among professional investors. http://www.investopedia.com/terms/m/meanreversion.asp http://www.investopedia.com/terms/m/meanreversion.asp
  • vufas 10y ago
    Link discussing the more general statistical phenomenon in greater detail: https://en.wikipedia.org/wiki/Regression_toward_the_mean https://en.wikipedia.org/wiki/Regression_toward_the_mean
  • jstanley 10y ago
    Reversion to the mean means they're likely to improve, relative to their past performance. It doesn't mean they're likely to do well.