Fiorina's compensation was arranged by a board that everyone acknowledged was hopelessly dysfunctional (see Mark Hurd and the spy scandal). There's this claim

Fiorina's compensation was arranged by a board that everyone acknowledged was hopelessly dysfunctional (see Mark Hurd and the spy scandal). There's this claim that CEO compensation doesn't correlate well performance. I could see your Carly Fiorina and raise you Steve Jobs or Jack Welch or any other number of anecdotes. What's the real statistical correlation in the S&P 500?