CHEN, YAN; HO, TECK-HUA; KIM, YONG-MI - In: Journal of Public Economic Theory 12 (2010) 4, pp. 641-664
In 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...