Does Influencer Marketing Really Pay Off? hbr.org Influencer marketing is a huge industry, with companies around the world spending billions of dollars on these partnerships. But do these investments actually pay off? To quantify the ROI of influencer marketing, the authors analyzed engagement for more than 5,800 influencer posts and identified seven key variables that drive a campaign’s effectiveness, including characteristics of both the influencer and of their individual posts. They further found that by optimizing these variables, the ave... .... read more