Within a cost-benefit analysis (CBA), benefit mechanisms are a cause-effect description of the improvement proposed by the project. They show how benefits are delivered.
SESAR Project ID 16.06.06 D26-01, Ed. 00.02.01, Oct 2014 - ATM CBA for Beginners
A benefit mechanism can be described in a script text format as a set of arguments or in a graphical and more formalized way using influence diagrams and models.
It documents the changes that an action introduces into the ATM environment and how those changes lead to benefits. Often includes assumptions and/or options.
Lexicon Release 2015.2