Using Delphi, AHP and TOPSIS Methods for Evaluating and Ranking Investment Projects in Multiple Portfolio

Accepting a kind of suitable strategies for supply chain achievement is one of the requirements of a manufacturing company. Organizations to implement the different strategies of supply chain are required to use information systems. In this regard, this research respecting the different strategies of supply chain (lean and agile) and information systems strategies (efficiency and flexibility) attempt to examine the effect of these categories on supply chain performance and company.
The methodology and the nature of this research is descriptive-survey. Sample population of this research is made up of nisoc’s managers and experts that are more than 2043 persons. By applying the Cochrane's formula, the sample population of this research determined as 231 persons that 222 questionnaires completed and received. In this research, content validity and structure validity have been used and total questionnaire chronbach’s alfa is equal to 0/955 which indicates high level of reliability. Because of measuring the effect of some dependent and independent variables simultaneously, structure equations method (confirmation factor analysis) and Pierson coefficient test have been used. Results indicate, in term of correlational coefficient, that the effect of all variables over supply chain performance of company has been in a high level, but by applying the independent t correlational test and Pierson the main hypothesis and 3 sub-hypotheses confirmed.