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Create More Income With 'Gamma'

David Blanchett explains how a new Morningstar metric captures the extra income an investor can earn by making better financial decisions.

Christine Benz: Hi, I'm Christine Benz for Morningstar.

Many investors are familiar with alpha and beta, but Morningstar researchers have created a new measure called gamma. Joining me to discuss it is David Blanchett; he is head of retirement research for Morningstar.