TITLE

Spatial competition and collaboration networks

AUTHOR(S)
Okumura, Yasunori
PUB. DATE
August 2012
SOURCE
International Journal of Game Theory;Aug2012, Vol. 41 Issue 3, p455
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We model the formation of collaboration networks among firms that are located in a circular city as a two-stage game. In the first stage, the firms form collaboration links, and in the second stage, they engage in price competition. If two firms form a link, their production costs in the second stage are reduced. The second stage is a generalization of Salop's (Bell J Econ 10(1):141-156, ) circular city model. We provide a complete characterization of equilibrium prices of the model. We show that a firm prefers forming a link with a more distant firm if the cost-reducing effects are the same. We discuss the stability and social efficiency of the collaboration networks. When link costs are small, there is no conflict between efficiency and stability of networks. When link costs are significant, there is a conflict between efficiency and stability of networks. We also examine the average distances between linked firms.
ACCESSION #
77656548

 

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