Two relevant papers (a few links away from the oreilly.com article) http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1826825 http://papers.ssrn.com/sol3/pape

Two relevant papers (a few links away from the oreilly.com article) http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1826825 http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1826825 http://www.mitpressjournals.org/doi/abs/10.1162/DAED_a_00114 http://www.mitpressjournals.org/doi/abs/10.1162/DAED_a_00114