Dr. Sundie studies motivations for consumer behavior and decision-making, focusing on social influence processes, conspicuous consumption and consumption emotions such as envy and schadenfreude. Her work has been published in the Journal of Personality & Social Psychology, the Journal of Consumer Psychology, the Journal of Marketing Research, the Journal of Public Policy and Marketing, Social Influence, Social Cognition, and other outlets.

She teaches Applied Buyer Behavior, an advanced undergraduate course (syllabus below).

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