Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/81117 
Year of Publication: 
2012
Series/Report no.: 
Working Papers No. 467
Publisher: 
Bielefeld University, Institute of Mathematical Economics (IMW), Bielefeld
Abstract: 
In this paper, we study a standard Cournot model where firms are able to form bilateral collaboration agreements which lower marginal cost. While a static analysis of such a model can be found in Goyal and Joshi [5], we introduce an evolutionary model. Stable networks (in the static sense) exhibit the dominant group architecture and can be characterized with respect to the size of the group. However, in contrast to Goyal and Joshi [5], we find that the group size of connected firms in stochastically stable networks is generically unique and monotonically decreasing in cost of link formation. Further, there exists a lower bound on the group size of connected firms such that a non-empty network can be stochastically stable.
Subjects: 
R&D Networks
Oligopoly
Stochastic Stability
JEL: 
C72
C73
L13
O30
Persistent Identifier of the first edition: 
Document Type: 
Working Paper

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