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Prominence and Search Regret in Duopoly

In: Business Intelligence and Modelling

Author

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  • Evangelos Rouskas

    (Agricultural University of Athens)

Abstract

I examine numerically the robustness of the uniqueness of the Burdett–Judd-type dispersed price equilibrium within the search regret disutility framework proposed by concurrent research (Rouskas, 2020, “Equilibrium Price Dispersion with Search Regret Disutility”, Studies in Microeconomics). To this end, I focus on a duopoly where (a) there exists two-type consumer heterogeneity with regard to search costs; (b) one seller is prominent in the sense that all consumers with positive search costs who search once observe the price of this seller with probability one; and (c) consumers with positive search costs experience search regret disutility. In this environment, the aforementioned uniqueness result reappears, i.e., adding seller prominence to the search regret disutility framework does not affect the uniqueness of the Burdett–Judd-type dispersed price equilibrium.

Suggested Citation

  • Evangelos Rouskas, 2021. "Prominence and Search Regret in Duopoly," Springer Proceedings in Business and Economics, in: Damianos P. Sakas & Dimitrios K. Nasiopoulos & Yulia Taratuhina (ed.), Business Intelligence and Modelling, pages 93-98, Springer.
    • Handle: RePEc:spr:prbchp:978-3-030-57065-1_8
    DOI: 10.1007/978-3-030-57065-1_8
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