Price and quality in spatial competition

Kurt Brekke () and Luigi Siciliani
Authors registered in the RePEc Author Service: Odd Rune Straume

No 7422, CEPR Discussion Papers from C.E.P.R. Discussion Papers

Abstract: We study the relationship between competition and quality within a spatial competition framework where firms compete in prices and quality. We generalise existing literature on spatial price-quality competition along several dimensions, including utility functions that are non-linear in income and cost functions that are non-separable in output and quality. Our main message is that the scope for a positive relationship between competition and quality is underestimated in the existing literature. If we allow for income effects by assuming that utility is strictly concave in income, we find that lower transportation costs always lead to higher quality. The presence of income effects might also reverse a previously reported negative relationship between the number of firms and equilibrium quality. This reversal result is further strenghtened if there are cost substitutabilities between output and quality. Equilibrium quality provision is always less than socially optimal in the presence of income effects.

Keywords: Spatial competition; Quality; Income effects (search for similar items in EconPapers)
JEL-codes: D21 L13 L15 (search for similar items in EconPapers)
Date: 2009-08
New Economics Papers: this item is included in nep-com, nep-geo, nep-ind and nep-ure
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Related works:
Journal Article: Price and quality in spatial competition (2010)
Working Paper: Price and quality in spatial competition (2009)
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