The OPERA® method (Optimisation Economique et Rationnelle des Achats) may be summarized as follows:
This diagram is a synthesis based
on the 4 significant ideas behind the method :
Foundations - Purpose - Aims - Characteristics
It provides several rational tools that help in decision making:
a)
An expression of need An expression of needs and not solutions, encouraging creativity.
- Forgetting some of the often most obvious operations can be avoided.
b)
Drawing up analysis data - Providing a master consultation dossier.
- Allowing significant time saving via a standardized framework.
c)
Comparison of offers - Allowing objective evaluation of offers.
- Facilitating the creation of comparative tables.
