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Abstract

The paper analyses three aspects of product strategy: the size of product range offered, the extent and type of product differentiation and product matching, and the role of new product innovation in firms' competitive strategies. In essence the paper is concerned with competitive behaviour where the product is treated as a variable. Three conclusions emerged. First, there was no significant correlation between the size of product range offered and the size of firm. Second, while the three main oligopolists almost always tried to differentiate their products the competitive fringe showed a strong tendency to match the major firms' products. Third, new product competition was a persistent feature of oligopolistic rivalry, though the competitive fringe was required to stimulate some developments.