Hi, co-author of the paper here. To answer your question, yes, there is evidence to suggest that targeted ads work better: http://papers.ssrn.com/sol3/papers.cf

Hi, co-author of the paper here. To answer your question, yes, there is evidence to suggest that targeted ads work better: http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1600259 http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1600259