After alpha and beta, gamma can measure the value that professional advice adds to your investment returns.
Holly Cook: In the world of investing, we often talk about adding alpha or adding beta. But at the recent Morningstar Investment Conference, David Blanchett, head of retirement research for Morningstar Investment Management, introduced the concept of adding gamma.
Here he explains a little bit more about what this concept involves...
This interview was conducted by Morningstar.
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