REFERENCES
- Alexa.com. 2014. Site info for Wikipedia.org. http://www.alexa.com/siteinfo/wikipedia.org (accessed March 24, 2014).
- Anthony, D., S. Smith, and T. Williamson. 2009. Reputation and reliability in collective goods. Rationality and Society 21(3): 283–306.
- Callis, K.L., L.R. Christ, J. Resasco, D.W. Armitage, J.D. Ash., T.T. Caughlin, et al. 2009. Improving Wikipedia: Educational opportunity and professional responsibility. Trends in Ecology & Evolution 24(4): 177–79.
- Chiang, C.D., C.L. Lewis, M.D. Wright, S. Agapova, B. Akers, T.D. Azad, et al. 2012. Learning chronobiology by improving Wikipedia. Journal of Biological Rhythms 27(4): 333–36.
- Folland, S., A.C. Goodman, and M. Stano. 2010. The economics of health and health care. 6th ed. Upper Saddle River, NJ: Prentice Hall.
- Forte, A., and C. Lampe. 2013. Defining, understanding, and supporting open collaboration: Lessons from the literature. American Behavioral Scientist 57(5): 535–47.
- McGuire, T.G., and M.V. Pauly. 1991. Physician response to fee changes with multiple payers. Journal of Health Economics 10(4): 385–410.
- Merriam, S.B., R.S. Caffarella, and L. Baumgartner. 2007. Learning in adulthood: A comprehensive guide. San Francisco: Jossey-Bass.
- Pauly, M.V., and M.A. Satterthwaite. 1981. The pricing of primary care physician's services: A test of the role of consumer information. Bell Journal of Economics 12(2): 488–506.
- Zhao, X., and M.J. Bishop. 2011. Understanding and supporting online communities of practice: Lessons learned from Wikipedia. Educational Technology Research and Development 59(5): 711–35.