Explaining the power-law degree distribution in a social commerce network. - Andrew T. Stephen; Olivier Toubia (Soc. Networks, 2009)

Intrinsic vs. Image-Related Utility in Social Media: Why Do People Contribute Content to Twitter? - Olivier Toubia; Andrew T. Stephen (Mark. Sci., 2013)

Spillover Effects in Seeded Word-of-Mouth Marketing Campaigns. - Inyoung Chae; Andrew T. Stephen; Yakov Bart; Dai Yao (Mark. Sci., 2017)