Edit: more articles identifying interpersonal friction as the leading factor deterring would-be editors [3,4]. At this point I'm suspicious of the author's due diligence in studying the problem, making the proposed solution more dubious.
[1] Suh, Bongwon, et al. "The singularity is not near: slowing growth of Wikipedia." Proceedings of the 5th International Symposium on Wikis and Open Collaboration. ACM, 2009.
[2] Thom-Santelli, Jennifer, Dan R. Cosley, and Geri Gay. "What's mine is mine: territoriality in collaborative authoring." Proceedings of the SIGCHI Conference on Human Factors in Computing Systems. ACM, 2009.
[3] Kittur, Aniket, and Robert E. Kraut. "Harnessing the wisdom of crowds in wikipedia: quality through coordination." Proceedings of the 2008 ACM conference on Computer supported cooperative work. ACM, 2008.
[4] Halfaker, Aaron, Aniket Kittur, and John Riedl. "Don't bite the newbies: how reverts affect the quantity and quality of Wikipedia work." Proceedings of the 7th international symposium on wikis and open collaboration. ACM, 2011.