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Spying in Multi-market Oligopolies AgEcon
Billand, Pascal; Bravard, Christophe; Chakrabarti, Subhadip; Sarangi, Sudipta.
We consider a multimarket framework where a set of firms compete on two interrelated oligopolistic markets. Prior to competing in these markets, firms can spy on others in order to increase the quality of their product. We characterize the equilibrium espionage networks and networks that maximize social welfare under the most interesting scenario of diseconomies of scope. We find that in some situations firms may refrain from spying even if it is costless. Moreover, even though spying leads to increased product quality, there exist situations where it is detrimental to both consumer welfare and social welfare.
Tipo: Working or Discussion Paper Palavras-chave: Oligopoly; Multimarket; Networks; Environmental Economics and Policy; C70; L13; L20.
Ano: 2010 URL: http://purl.umn.edu/96632
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The Sixth Framework Program as an Affiliation Network: Representation and Analysis AgEcon
Billand, Pascal; Frachisse, David; Massard, Nadine.
In this paper, we compare two different representations of Framework Programs as affiliation network: “One-mode networks”' and “Two-mode networks”'. The aim of this article is to show that the choice of the representation has an impact on the analysis of the networks and on the results of the analysis. In order to support our proposals, we present two forms of representation and different indicators used in the analysis. We study the network of the 6th Framework Program using the two forms of representation. In particular, we show that the identification of the central nodes is sensitive to the chosen representation. Furthermore, the nodes forming the core of the network vary according to the representation. These differences of results are important as...
Tipo: Working or Discussion Paper Palavras-chave: Affiliation Network; Innovation Policies; Centrality; Institutional and Behavioral Economics; Research and Development/Tech Change/Emerging Technologies; 031; 038; L14.
Ano: 2008 URL: http://purl.umn.edu/6217
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