“…More generally, the paper belongs to the literature that analyzes what drives contributions to user-generated content. 3 The topics addressed in the prior related literature include the role of personal gain (Shah, 2006), group size (Zhang and Zhu, 2011), networks (Fershtman and Gandal, 2011;Ransbotham, Kane, and Lurie, 2012), spillovers (Kummer, 2014), symbolic awards (Gallus, 2017), performance feedback (Huang, Burtch, Gu, Hong, Liang, Wang, Fu, and Yang, 2018), monetary rewards vs social motives (Sun, Dong, and McIntyre, 2017), contributor diversity (Ren, Chen, and Riedl, 2015), and economic conditions, such as unemployment (Kummer, Slivko, and Zhang, 2015) and migration (Slivko, 2018). More closely related to our work is Kane and Ransbotham (2016) who study the relationship between contributions and consumption of content.…”