How to cite this publication:

Arne Wiig (1990). Produktdifferensiering og kvalitet. Bergen: Chr. Michelsen Institute (CMI Working Paper D 1990:9)

This study gives a survey of different approaches to the study of quality in the theory of consumers' demand. The study is focusing on "address models" where models based on horizontal and vertical product differentiation are analysed as special cases of the characteristic Lancaster model. Quality and price competition are analysed in the different approaches and the concept of hedonic prices are introduced as a measure of quality changes.

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