http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1695460 http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1695460; http://papers.ssrn.com/sol3/papers.cfm?ab

http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1695460 http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1695460; http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1722924 http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1722924; http://onlinelibrary.wiley.com/doi/10.1111/j.1540-6261.2010.01624.x/pdf http://onlinelibrary.wiley.com/doi/10.1111/j.1540-6261.2010....; http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1970072 http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1970072 http://www.sec.gov/comments/s7-02-10/s70210-122.pdf http://www.sec.gov/comments/s7-02-10/s70210-122.pdf