Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/97482 
Year of Publication: 
2013
Series/Report no.: 
Queen's Economics Department Working Paper No. 1301
Publisher: 
Queen's University, Department of Economics, Kingston (Ontario)
Abstract: 
I examine an environment where advertisers can 'seed' word-of-mouth advertising by providing initial information about a product to specific users of a social network. Discussion over a social network generates spillover effects for firms when consumers can use the social network to inform each other about products. When a firm can exploit a social network's structure, it can increase its sales. However, when the network formation process is costly, firms free-ride on such costs at the expense of agents on the network. If agents can form coalitions, I show that they can recoup the value of this externality by charging a toll. When users actively modify the information, generating word-of-mouth advertising about a product provides a 'social value'. This social value stems from the discussions that agents have about the product, without any intervention. Since this process occurs regardless of the firm's actions, the firm cannot capture such valuation. The opinion leaders, or highly regarded agents on the network, play a key role in the formation of this social value.
Subjects: 
network
word of mouth
externalities
social value
JEL: 
D83
D85
Document Type: 
Working Paper

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