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Castellano, J. F., S. Young and H. A. Roehm. 2002. Teaching business as a system. Management Accounting Quarterly (Summer): 1-5 . Summary by Charles Nowlin |
Castellano, Young and Roehm begin by
discussing the changing roles of accountants, e.g., from historian to consultant
as discussed in various IMA
publications. The
purpose of this article is to describe the authors' response to these changes,
or more specifically an MBA course they co-teach at the
The
Catalyst for Change
In 1995 the IMA saw the changes to the
accounting profession as a big enough issue to release a research project called
Practice Analysis of Management Accounting. This
document discussed the changes necessary for educational institutions to prepare
their students for employment in corporate
Understanding Business as a System
One of the
How
to Teach the Concept
The authors chose to use a business-game approach. Through competitive exercises designed to simulate a realistic market place the students gain an understanding of the interdependence that occurs in a business. The first game is an exercise developed in the 60’s by MIT, called “The Beer Game”. The purpose is to show students that the structure of the system causes the behavior of the individual units. In this exercise the groups are not allowed to communicate outside of the game which should emphasize to the students the necessity of interorganizational communication.
The next exercise is the bead game based on W. Edwards Deming’s “Red Bead Experiment.” This exercise is meant to help students realize that holding workers accountable for their performance inside a system that they have no control over fails to recognize the weaknesses that are inherent within the system. The authors refer to the third game as "The Dice Game" from Eliyahu M. Goldratt’s The Goal (See Summary and note on the Match-Bowl-Dice-Game Experiment). It is used to show the effects on the system from attempts to balance the plant when there are dependent events, and statistical fluctuations. (See the links above for more explanation). After the foundation has been laid in the students' minds as to the importance of the system as it relates to output, the remainder of the course is focused on teaching the students how to change the system so that the goals of the organization are achieved.
System Measurement and Control
Beyond the foundation games mentioned above, the course includes a discussion of Baker's Scoring a Whole in One: People in Enterprise Playing in Concert (See Contents), Wheeler's Understanding Variation: The Key to Managing Chaos, and other topics such as: ABM, target costing, and strategy. The final focus of the class is on Kaplan & Norton's Balanced Scorecard approach to performance measurement. Emphasizing financial performance in today’s marketplace is no longer sufficient. Companies must focus on the entire system including customers, suppliers, and employees to achieve and maintain a high level of success. The intent, at this point in the class, is for students to be able to understand the secondary effects of their actions and make better decisions by considering all the consequences.
Future accountants need to understand how system interdependencies and variation affect the performance of a system so that they can design performance evaluation and control systems that effectively support the organization's strategies and goals.
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