A version of this article was published in the November 2015 issue of Morningstar ETFInvestor. Download a complimentary copy of ETFInvestor here. Flaw of Averages Duration, by itself, is a crude ...
If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...