AN INTRODUCTION TO GAME THEORY AND BUSINESS STRATEGY

Abstract

Sound managerial decision making often requires “putting yourself behind your rivals' desk.” Assuming rivals are rational and acting in their selfinterest, what decisions are they likely to make and how are they likely to respond to your actions? A complicating factor is that rivals' optimal choices typically will depend on their expectations of what you will do; their expectations in turn depend on their assessments of your expectations about them. This type of circularity or recursive thinking might appear to make the overall problem completely intractable. Yet, this situation is precisely where game theory is most useful. This article introduces the basic elements of game theory within the context of business strategy and shows how managers might use these tools in decision making. This analysis also provides managers with a richer understanding of competition within different market settings. For example, it provides insights into why there is fierce competition in some concentrated industries (such as commercial aircraft), but not in others. Although the authors focus primarily on interactions among rival firms in product markets, these concepts also are useful to managers when dealing with other parties, such as suppliers, employees, or gov‐ernment officials.