Imperfect Competition and Quality Signaling
We examine the interplay of imperfect competition and incomplete information in the context of price competition among firms producing horizontally- and vertically-differentiated substitute products. We find that incomplete information about vertical quality (e.g., consumer satisfaction) that is signaled via price softens price competition, and that imperfect competition can reduce the degree to which firms distort their prices to signal their types (relative to what a monopolist would do). We show that low-quality firms always prefer playing the incomplete information game to the full-information analog: their prices are higher and so are their profits. Moreover, for "high-value" markets, if the proportion of high-quality firms is great enough, high-quality firms also prefer incomplete information to full information. We find conditions such that an increase in the loss to consumers associated with consuming the low-quality product may perversely benefit low-quality firms. We discuss the implications of our analysis for recent tort reform proposals, incentives for the diffusion of general innovation to product-specific improvements, and professional licensing.
|Date of creation:||Jul 2005|
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