Zhang, M. L., Zhang, Y., Zhao, L., & Li, X. Y. (2020). What drives online course sales? Signaling effects of user-generated information in the paid knowledge market. Journal of Business Research, 118, 389-397.
Zhang, Y., Zhang, M. L., Luo, N., Wang, Y., & Niu, T. (2019). Understanding the formation mechanism of high-quality knowledge in social question and answer communities: A knowledge co-creation perspective. International Journal of Information Management, 48, 72-84.