Kollock, Peter. 1999. “The Economies of Online Cooperation: Gifts and Public Goods in Cyberspace.” Chapter 9 in Communities in Cyberspace, Kollock and Smith, eds.

Rafaeli, Sheizaf , and Daphne R. Raban. 2005. “Information sharing online: a research challenge.” International Journal of Knowledge and Learning 1:62-79. PDF

Cheshire, Coye and Judd Antin. 2009. "Order, Coordination and Uncertainty." eTrust: Forming Relationships in the Online World. Karen S. Cook, Chris Snijders, Vincent Buskins, Coye Cheshire (Eds.) Russell Sage Foundation. Pp. 266-291.