we estimate the Variance Inflator Factor VIF for the regression model and find that the VIF value is less than 5. A. These motivations include reputation Wasko and Faraj 2005 . Social exchange theory. Fehr and Gachter 2000b . S. The impact of free-riding on peer-to-peer networks.5:1. M. these individual characteristics largely stay unchanged over time. J. give access to other contributors only.. participation and performance of open source software developers: a longitudinal
Louis Vuitton Official of the apache projects. We find that an individual??s likelihood of contributions increases with the number of contri butors in the peer-to-p eer network
Louis vuitton uk decreases with the number of free riders in the network. W. have been designed in repeated one-to-one settings and show that individuals are reciproc al to each other. J. 2006 Despite the large number of mo tivation factors identified in prior studies. As the p eer-to-peer network studie d in this paper allows 14 contributors to punish free riders and reward contributors. 2004. Strategic interaction and knowledge sharing in the kde developer mailing list. reciprocity depends on contributors?? needs. Studies show that one determining factor for indirect reciprocity is the availability of information about cooperation level of other participants in the group Brandt and Sigmund 2005. Slaughter. Slaughter. Oppenheimer. and Sen. We show that the social norm is voluntarily enforced by peers in social networks. 2004. 32 Faraj. M. could have a de-stabilizi ng effect on the network. network connection costs. N. Empirical Methodology and Results We use a pair of fixed effect logistic models to test the i ndirect reciprocity effect. The free-riding phenomenon is the result of the Tragedy of Commons problem Hardin 1968 : as public goods. Proceedings of Academy of Management Conference. Motivation. Figure 1: Comparison of contribution level in repeated public good game without punishment mechanism against contribution level with punishment mechanis m obtained from Fehr and Gachter 2000b. 2000b . IROM-06-09 Indirect Reciprocity in Online Social Networks ?C A Longitudinal Analysis of Individual Contributions and Peer Enforcement in a Peer-to-Peer Music Sharing Network Bin Gu McCombs School of Business We thank Andres Hervas-Dra ne. career opportunities Hann et al. The percentage is higher than the percentage of all contributors. Konana. Fairness as a constraint on profit seeking: Entitlements in the market. influence an indi vidual??s propensity to contribut e to the network. 2000b . Hosanagar. Bock et al. It woul d be useful in the future to identify the full distribution of reciprocity acros s individuals and study how the in teractions between individuals with different propensities of
Louis Vuitton UK Shop influence contribution. suggesting that a user is more like ly to discriminate against free riders when there are too many free-riders in th e network. Our analysis also reveals that reputation and social enforcement have significant influences on an individual contribution probability H4 and H5 . P??nard. how individual be havior is influenced by thei r social environments. 2001. Whinston. Levati. 2006 Despite the large number of mo tivation factors identified in prior studies. R. Direct reciprocity arises when individua ls have repeated one-to-one interactions. We also find that individuals with high download needs tend to increase their contribution probability when they face more network congestion. propose the following hypothesis: H1b: Negative Indirect Reciprocity - a user??s probability of contribution decreases with number of free riders in a peer-to-peer network. Information Systems Research 18 1 42-67. Bapna. and R. Indirect Reciprocity Reciprocity has been documented in a variety of economic experiments see Fehr and Cachter 2000a for a review .5:1. We describe data and measures afterward. We control for such individual heteroge neity using a fixed effect model. The finding is consistent with the theory of indirect reciprocity that suggests that reciprocity is not necessarily in kind. In a
Louis Vuitton UK and sense of self-worth Bock et al. membership size. We find that free ri ders have a significantly negativ e impact on an individual??s contribution H1b . Paulo Goes. a contributor is more likely to change her server st atus to punish free riders when she faces longer download wait time as long wait time indicates the need to encourage contribution behavior H8 . 2008. We find that both reput ation and congestion affect individual contributions. we can isolate social influence from individual variations. Proceedings of the 37th Hawaii International Confer ence on System Sciences.E. Sloof. wh ich would either positively or ne gatively influence her future contribution behavior. and S. J. P??nard. 2000. Nowak and Sigm und 1998. prior studies showed that contributors?? intentions have a significant influence on both positive and negativ e
Louis vuitton Rabin 1993. A series of economic experiments conducted by Fehr and Gachter 2000b s how that contributors are willing to punish free riders ev en if ??the punishment is costly for them and even if they cannot expect future benefits fr om
Louis Vuitton Outlet Official punishment activities??. R. 36 Tullberg.