Effect of information technology on value chain of Iranian Exemplary Exporter Manufacturer Companies

The fast and ever-increasing progress in Information Technology (IT) area and their role in helping firms to improve their performance cause them to depend on IT day by day. At the same time، few studies have been conducted in this area، so the mechanism and effects of IT on Iranian firm’s value chains are unclear. Therefore، it is necessary to study in this area. This study is a descriptive survey. The statistical population of the research is composed of Iranian exemplary exporter manufacturer companies that have elected since 2004 to 2010 by the Trade Promotion Organization of Iran. Data gathering instrument was questionnaire and path analysis technique has been used for the purpose of data analysis. The research has three main hypotheses and three sub-hypotheses. The conceptual research model has four variables including: IT process infrastructure، the speed desirability of value chain process and the cost and accuracy of that. The findings indicate that the IT process infrastructure of firms has directly effect on the speed and accuracy of the value chin processes. Moreover، IT has indirect effect on cost desirability of value chain processes through effecting on speed of that value chain.