How effective is advertising in duopoly markets?

Katarzyna Sznajd-Weron and Rafał Weron

Public Economics from University Library of Munich, Germany

Abstract: A simple Ising spin model which can describe the mechanism of advertising in a duopoly market is proposed. In contrast to other agent- based models, the influence does not flow inward from the surrounding neighbors to the center site, but spreads outward from the center to the neighbors. The model thus describes the spread of opinions among customers. It is shown via standard Monte Carlo simulations that very simple rules and inclusion of an external field - an advertising campaign - lead to phase transitions, ie. extreme and fast changes in market share.

Keywords: advertising; oligopoly; duopoly; Ising model; agent-based model (search for similar items in EconPapers)
JEL-codes: C15 D43 D70 M37 (search for similar items in EconPapers)
Pages: 7 pages
Date: 2003-06-20
Note: Type of Document - PDF; prepared on PC-TEX; pages: 7; figures: 6 included. Appeared in: Physica A 324 (2003) 437-444.
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Citations: View citations in EconPapers (16)

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Related works:
Journal Article: How effective is advertising in duopoly markets? (2003)
Working Paper: How effective is advertising in duopoly markets? (2002)
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Persistent link: https://EconPapers.repec.org/RePEc:wpa:wuwppe:0306005

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