3. Full project costs

3.1 Measuring project return on investment (ROI)

For companies where the information system is a means of serving the business departments, and therefore a major corporate asset, the only issue that should concern the decision-maker is that of value creation. What can be done to ensure that IT optimizes and improves the performance of business value chains? How can IT be used to create new services that provide a competitive advantage over the company's competitors? And, of course, how can we qualitatively measure or estimate the ROI and performance of these improved processes?

The classic profile of an IT investment looks like this, when all goes well (figure