Knowledge Market Design: A Field Experiment at Google Answers
AbstractIn a field experiment at Google Answers, we investigate the performance of price-based online knowledge markets by systematically manipulating prices. Specifically, we study the effects of price, tip, and a reputation system on both an answerer's effort and answer quality by posting real reference questions from the Internet Public Library on Google Answers under different pricing schemes. We find that a higher price leads to a significantly longer, but not better, answer, while an answerer with a higher reputation provides significantly better answers. Our results highlight the limitation of monetary incentives and the importance of reputation systems in knowledge market design. Copyright � 2010 Wiley Periodicals, Inc..
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Bibliographic InfoArticle provided by Association for Public Economic Theory in its journal Journal of Public Economic Theory.
Volume (Year): 12 (2010)
Issue (Month): 4 (08)
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Web page: http://www.blackwellpublishing.com/journal.asp?ref=1097-3923
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