Abstract
Offensive and Defensive Marketing: Closed-Loop Duopoly Strategies
A modified Lanchester game is used to develop closed-loop strategies for offensive and defensive marketing expenditures of duopolistic competitors in a market share rivalry. Analysis of the model reveals that
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well-defined closed-loop strategies can be developed that show directly the influence of market share on offensive and defensive marketing;
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steady state is marked by balance between offensive and defensive marketing expenditures;
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defensive marketing is more critical than offensive marketing due to greater risk of loss under deviation from closed-loop strategies.
The last result would appear to have particularly important implications for both practice and research.
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Erickson, G.M. Offensive and defensive marketing: Closed-loop duopoly strategies. Marketing Letters 4, 285–295 (1993). https://doi.org/10.1007/BF00994348
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DOI: https://doi.org/10.1007/BF00994348