On the Benefits of Contractual Inefficiency in Quality-Differentiated Markets
University of Bologna - Department of Economics
National Institute for Agricultural Research (INRA) - Grenoble Applied Economic Laboratory; University of Grenoble
February 14, 2013
Contractual inefficiencies within supply chains increase an input price above its marginal cost, therefore they are considered detrimental to consumer surplus. We argue that such inefficiencies may be beneficial to consumers in quality-differentiated markets where the "finiteness property" holds. Indeed, enhancing efficiency in high-quality supply chains through vertical integration may adversely affect the market structure by driving low-quality chains out of the market, and, consequently reduce consumer surplus. Due to the finiteness property, (counter-)integration in the low-quality channel does not allow this channel to be in business. Our result holds both with secret and public contracts, and with buyer power.
Number of Pages in PDF File: 20
Keywords: Vertical product differentiation, vertical integration, linear tariff, two-part tariff, consumer surplus.
JEL Classification: L13, L22, L4
Date posted: April 28, 2012 ; Last revised: February 20, 2013
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