These articles are the best I could find to answer your question:

http://mis.kent.edu/Users/weinroth/publi...

http://mishelper.blogspot.com/2011/11/am...

http://sloanreview.mit.edu/article/how-e...

I am writing a case analysis for ebay and cant find any information on their managment information systems. What is a basic analysis of Ebays MIS function, does it provide a competitive advantage, its strengths, weaknesses, distinctive competences, issues etc.