Abstract
In this paper, we discuss the influence of institutional pressures to isomorphism proposed by institutional theory affects adoption of the information technology in a firm. It can explain a more realistic situation that the information technology is adopted for irrational reasons: imposition by trading partners, advice of specialists such as system provider and imitation of competitor's behavior. And the main purpose of this research is to examine whether information technology adopted for such reasons is effectively used as a result. Finally, we propose a research model and hypotheses based on former researches.
