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Competitive Diffusion in Social Networks: Quality or Seeding? by Fazeli, Arastoo; Ajorlou, Amir; Jadbabaie, Ali is a scholarly article available to read on EtoBox.

What is Competitive Diffusion in Social Networks: Quality or Seeding? about?

In this paper, we study a strategic model of marketing and product consumption in social networks. We consider two firms in a market competing to maximize the consumption of their products. Firms have a limited budget which can be either invested on the quality of the product or spent on initial seeding in the network in order to better facilitate spread of the product. After the decision of firms, agents choose their consumptions following a myopic best response dynamics which results in a local, linear update for their consumption decision. We characterize the unique Nash equilibrium of the game between firms and study the effect of the budgets as well as the network structure on the optimal allocation. We show that at the equilibrium, firms invest more budget on quality when their budgets are close to each other. However, as the gap between budgets widens, competition in qualities becomes less effective and firms spend more of their budget on seeding. We also show that given equal budget of firms, if seeding budget is nonzero for a balanced graph, it will also be nonzero for any other graph, and if seeding budget is zero for a star graph it will be zero for any other graph as we

Author

Fazeli, Arastoo; Ajorlou, Amir; Jadbabaie, Ali

Published

2015

Language

EN