Michelle Obama Vs. Oprah: Who Has the Bigger Effect?
Michelle Obama and Oprah Winfrey are definitely forces to be reckoned with. Companies see huge returns when one of them endorses their product. An analysis by the Harvard Business Review showed that stock prices of a clothing company would soar whenever the first lady wears its products. The author of the findings, professor David Yermack, estimated a $14 million value for an appearance by Read more








