The Project Portfolio Management, Models and Tools Wei Linwei School of Economics & Management, Tsinghua University Email: weilw@tsinghua.edu.cn
Abstract: This paper discussed the concepts of the project portfolio management. in the first, gave a definition to the project portfolio management and distinguished it from other parasynonyms phrases: such as program management, multi-project or project group management and enterprise project management; second, analyzed the main contents and functions and challenges of project portfolio management; Finally, a several of models and tools which can served for PPM is introduced, it include the type of optimal project portfolio selection models, such as multi-criteria programming model, markowitz model and weingartner model; and the type of project portfolio assessment models, such as DEA model, bubble diagram and Strategic bucket diagram model etc. Key Words: Project portfolio management, Portfolio selection model, Portfolio assessment model