ic copy available at: http://ssrn.com/abstract=1682187 Massachusetts Institute of Technology Department of Economics Working Paper Series Opinion Fluctuations and Disagreement in Social Networks Daron Acemoglu Giacomo Como Fabio Fagnani Asuman Ozdaglar Working Paper 10-14 Sept. 23, 2010 Room E52-251 50 Memorial Drive Cambridge, MA 02142 This paper can be downloaded without charge from the Social Science Research Network Paper Collection at srn.com/abstract=1682187