
60 • Supply Chain Risk Management: An Emerging Discipline
Rallying around a Superordinate Measure
A key learning from this case involves the power of a seemingly ordinary
measure (RONA) to become a superordinate measure that helps reduce
risk at the corporate level (the measurement enabler). A superordinate
measure is one that no single part of an organization can achieve on its
own. By denition, the presence of superordinate measures demands that
dierent groups work together or fail individually.
An emphasis on net asset return began when executive management
challenged the railroads to develop new ways to meet or exceed an estab-
lished RO ...