according to Michael Lewis, A K Barnett-Hart wrote - "a thesis about the market for subprime mortgage-backed CDOs that remains more interesting than any single piece of Wall Street research on the subject.â 'Michael Lewisâs âThe Big Shortâ ? Read the Harvard Thesis Instead !' by P Lattman the 115p thesis is available via the 1st para 'written a thesis' link http://blogs.wsj.com/deals/2010/03/...-read-the-harvard-thesis-instead/tab/article/
I'm not sure if I'm correct to make this assumption but in hindsight anyone who cares to gather information from multiple sources can connect the dots. In the interim, each player only had access to their own corporate dept. You could cite as proof one dept of GS, for example, shorting the abx. Suppose if every managing director thought they were god, how are you going to assume 'everyone" should have known what everyone else was doing. Many didn't care what some other dept did. Just saying.