Nowadays the so-called "project management" and its close correlation with business performance is becoming more and more important. However, we can really speak of success only when it helps to generate value for the overall business of an organization. The fundamental factors on which the development of the thesis focuses are: the different phases of which the project is composed, the key players for the success of the project, the cost analysis and the different tools that facilitate the development of this discipline. Ultimately, a fundamental question arises: should project management be based on theories of economics or production? After a careful analysis the conclusion is clear: a production approach is the most precise way to approach a project management study..