How Influential Are Celebrities? (Updated)

[This article, originally published in late 2013, has been updated with new research on the effectiveness of celebrities in advertising.] A new research paper [download page] from Ace Metrix analyzing the impact of celebrities in TV advertising has found that, well, they have little to none. Based on advertising data gathered from the beginning of January 2012 through October 2013, Ace Metrix found that in the aggregate, TV ads containing celebrities underperformed those without. (more…)