Electronic Commerce Research

, Volume 12, Issue 2, pp 125–150 | Cite as

An empirical study on consumer first purchase intention in online shopping: integrating initial trust and TAM

  • Jin Baek KimEmail author


To understand the first purchase mechanism in online shopping, this study established an integrated model of initial trust and TAM. According to the analysis results, initial trust beliefs were significantly influenced by initial trust bases such as company reputation, structural assurance, and trusting stance, and initial trust beliefs indirectly influenced the first purchase intention through consumer attitude. In TAM constructs, only perceived usefulness directly influenced the usage attitude of online shopping systems, then indirectly influenced the first purchase intention. These results imply that online consumers consider perceived ease of use as a basic requirement for system design. It was also found that there is a time cushion between the time of first purchase and the time of belief formation. On the whole, these results reinforced the theory that a relationship between belief (trust and perceived usefulness) and intention was better explained when it was mediated by attitude.


Initial trust TAM First purchase Initial trust base 


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© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  1. 1.College of Business AdministrationTongmyong UniversityBusanRepublic of Korea

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