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Vertical differentiation and collusion: pruning or proliferation?

Bibliographic reference Jaskold Gabszewicz, Jean ; Marini, Marco A. ; Tarola, Ornella. Vertical differentiation and collusion: pruning or proliferation?. In: Research in Economics, Vol. 71, no.1, p. 129-139 (2017)
Permanent URL http://hdl.handle.net/2078.1/184961