Journal
INTERNATIONAL JOURNAL OF INDUSTRIAL ORGANIZATION
Volume 19, Issue 9, Pages 1441-1455Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0167-7187(99)00053-3
Keywords
two stage equilibrium; elastic demand
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This paper examines a two stage model of product choice with elastic demand. Duopolists choose locations and then prices. Consumers' demand is linear in price. Transportation cost is quadratic and is a lump sum. For each pair of locations, there is a price equilibrium in the second stage. The first stage equilibrium locations are unique, symmetric and depend upon the ratio of the reservation price and the transportation cost parameter. When this ratio exceeds a certain critical value, the locations are at the extreme end points of the market. As the ratio decreases, the locations gradually move towards the center. (C) 2001 Elsevier Science B.V. All rights reserved.
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