Tracking Your Investments

I like David Bacon’s musings about the sorts of arithmetic being thrown around a lot in the turbulent financial news these days. He starts out:

I wonder how many people this week realized that “ten percent down” followed by “ten percent up” does not equal “no change.” […]


[tex](1-p)(1+p)\neq 1\ .[/tex]

Read the rest of his quick post here.


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