علی محمدی - Associate Prof., Management Department, Shiraz University, Shiraz, Iran.
مجتبی خلیفه - Ph.D. Candidate in systems Management, Management Department, Shiraz University, Shiraz, Iran

The purpose of this study is to consider and modeling E-Commerce variables based on FAHP, FTOPSIS and Possibility Theory to create a new approach in decision-making techniques. Thus, modeling Market Orientations and Innovation Orientation indicators as the E-Satisfaction factors and Fulfillment & Reliability, Responsiveness and Security indicators as the E-Trust factors is done for selected banks. Data collected from customers and experts via distributing questionnaires and the data were analyzed by FAHP, FTOPSIS and Possibility Theory techniques. The results show that E-Satisfaction, Innovation Orientation and Security are the important indicators in E-Loyalty and Mellat Bank takes the highest rank in covering these indicators.

FAHP, FTOPSIS, innovation orientation, Market orientations, Possibility theory