@techreport{Dell_Wood_2006,
	title = {The Sound of Silence in Online Feedback: Estimating Trading Risks in the Presence of Reporting Bias},
	author = {Chrysanthos N. Dellarocas and Charles A. Wood},
	institution = {MIT Sloan},
	journal = {SSRN eLibrary},
	publisher = {SSRN},
	type = {Working Paper},
	url = {http://ssrn.com/paper=923823},
	year = {2006},
	biburl = {http://www.bibsonomy.org/bibtex/2fbe816c2eb365b2dbfc38466a77fc4cc/dawinci},
	keywords = {bias reporting reputation systems }
}