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Newspapers' market shares and the theory of the circulation spiral

Bibliographic reference Jaskold Gabszewicz, Jean ; Garella, Paolo ; Sonnac, Nathalie. Newspapers' market shares and the theory of the circulation spiral. In: Information Economics and Policy, Vol. 19, no. 3-4, p. 405-413 (Octobre 2007)
Permanent URL http://hdl.handle.net/2078.1/23421