“Love for variety,” outside option and extensive margin of demand

Sovik Mukherjee and Vivekananda Mukherjee

International Journal of Economic Theory, 2023, vol. 19, issue 3, 425-449

Abstract: The paper models a uniform‐price Bertrand‐price‐competition in a differentiated product oligopoly market, where the buyers' preference shows “love for variety.” The buyers differ from each other in their valuation of the differentiated product with a common outside option available to all. The model endogenously determines both the extensive and intensive margin of demand and the equilibrium number of varieties in the differentiated product market. It shows that in such a framework complementarity exists at the extensive margin of demand even in the presence of demand substitutability between the varieties. The results apply to the competition between brick and mortar shops and malls.

Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:bla:ijethy:v:19:y:2023:i:3:p:425-449

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