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| Tekijä: | Strader, T.J. Ramaswami, S.N. Houle, P.A. |
| Otsikko: | Perceived network externalities and communication technology acceptance |
| Lehti: | European journal of information systems
2007 : FEB, VOL. 16:1, p. 54-65 |
| Asiasana: | information technology communication network externalities electronic mail models |
| Kieli: | eng |
| Tiivistelmä: | Electronic mail (or e-mail) and instant messaging (IM) systems represent potentially substitutable communication (hereafter as: comm.) technologies. Their value to an individual user increases with the growth of number of others adopting the system. This is referred to as a positive network externality (as: n-ext.) which makes it difficult for consumers to switch to other systems due to the potential loss of connectivity with network members. With the growth of n-ext., there are unintended negative consequences as 'spim' and 'spam'. This study deals with the determinants of using electronic comm. systems (here as: e-c-systs.) based on an extended Technology Acceptance Model. It is found that user perceptions regarding n-ext. have a positive impact on use of e-c-systs. whereas perceptions of problems associated with unsolicited messages and perceived usefulness of alternative systems do not significantly affect system use. |
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