Found this helpful in understanding the economic concerns in Open Access. http://onlinelibrary.wiley.com/doi/10.1002/asi.21660/abstract (if you can't access it here, the article is "Publication Fees in Open Access Publishing: Sources of Funding and Factors Influencing Choice of Journal" by David J. Solomon and Bo-Christer Bjork).
Hey Becky, thank you for sharing this. I find it ironical though that in order to read an article about OA you have to first purchase access to it :) like it was mentioned in the second video lecture of this week.
Sources of Funding and Factors Influencing
Choice of Journal" by David J. Solomon and Bo-Christer Bjork).