2. Research background
2.1. Context for m-commerce
The research in m-commerce is growing. Mobile applications in
different industry were extensively studied. Jung, Perez-Mira, and
Wiley-Patton (2009) considered TAM, content and cognitive concentration
in a mobile TV service for the potential users who intend
to use and suggested cognitive concentration having critical impacts
on consumer’s intention to subscribe the mobile TV service.
Luarn and Lin (2005) extended TAM with other variables (i.e., credibility,
self-efficiency and financial cost) and examined consumer’s
behavioral intention to use mobile banking. Consistent with Wang,
Wang, Lin, and Tang’s (2003), they found credibility having a