Transformation of smart-card-based single-purpose e-micropayment scheme to multi-purpose scheme: A case study

► Extend practical application of DEMATEL to smart card-based e-micropayment system. ► Obtain dynamics of single-purpose e-micropayment scheme becoming multi-purposes. ► Study how various factors interact and contribute to the diffusion of the scheme. ► Examine from user's perspective instead of expert's angle in this DEMATEL study.