Saber Akbari - Dept. of Information Technology, University of Larestan, Larestan, Iran

E-Commerce technologies have changed the economy bases of some business in the recent years. This paper represents in more details the industrial complexities which have changed the industrial economic structures around the world. Initially, we bring two factors that have been considered occasionally with the information technologies, such as, the changing balance of power in the specific industries and more efficient coordination of activities within and between enterprises. Then, we investigate three other factors brought by internet with high priority and effects on the value chains of industries. Simply stated these three factors are: disintermediation, disaggregation, and digital convergence. Although effects of these factors have been previously observed and studied, they have gained more significance in today technological era as the results of World Wide Web special benefits in the recent years.

Commerce, Value Chains, Disintermediation Disaggregation, Digital Convergence