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The Economics of Trademarks

1988, Trademark Rep.

Trademarks facilitate consumers' choice among experience goods and transmit quality signals for infrequently consumed goods. Trademarks are indispensable for the efficient provision of products with the wide range of variety and quality combinations demanded in a modern economy. Nevertheless, they can also sometimes have anticompetitive effects. Trademarks allow firms to tie in desired mental images with the advertised goods and to compete in perception advertising. The resulting possible distortions of competition fall into three categories. First, competition in perception advertising may result in a larger number of brands at equilibrium than is optimal. Second, the tie in produces an allocative distortion. Third, resources are wasted in the effort to link desired mental images with advertised goods. The effects of trademarks on barriers to entry are ambiguous. The intertemporal effects of perception advertising may create barriers to entry for newcomers. Such barriers will be beneficial to society when they tend to decrease the number of brands toward optimality. With sequential entry, however, perception advertising may tend to increase the number of brands. Firms may acquire some small market power from first use of the most appropriate symbol and words as trademarks. Such monopoly power is limited by restrictions against use of generic and descriptive terms.

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