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Vertical Product Differentiation When Quality is Unobservable to Buyers

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  • Gerhard Orosel
  • Klaus G. Zauner

Abstract

We analyze vertical product differentiation in a model where a good’s quality is unobservable to buyers before purchase, a continuum of quality levels is technologically feasible, and minimum quality is supplied under competitive conditions. After purchase the true quality of the good is revealed with positive probability. To provide firms with incentives to actually deliver promised quality, prices must exceed marginal cost. We derive sufficient conditions for these incentive constraints to determine equilibrium prices, and show that under certain conditions only one or both of the extreme levels of quality, minimum and maximum quality, are available in the market.

Suggested Citation

  • Gerhard Orosel & Klaus G. Zauner, 2004. "Vertical Product Differentiation When Quality is Unobservable to Buyers," CESifo Working Paper Series 1271, CESifo.
    • Handle: RePEc:ces:ceswps:_1271
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    References listed on IDEAS

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    Cited by:

    1. Ciara Whelan & Patrick P. Walsh & Franco Mariuzzo, 2004. "EU merger control in differentiated product industries," Open Access publications 10197/138, School of Economics, University College Dublin.

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