Trained as a sociologist, Humphreys examines core topics in consumer behavior and marketing strategy. Her research investigates the role of legal and cultural institutions in creating markets, the influence of language on consumer judgments of legitimacy, and the process of consumer co-creation. She is the author of “Social Media: Enduring Principles” (Oxford UP 2016), and her work has been published in the Journal of Marketing, the Journal of Consumer Research and Sociology Compass. She also serves as an associate editor at the Journal of Consumer Research.