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Oligopolistic competition, product variety and entry deterrence
Eaton, Jonathan, (1982)
Oligopolistic entry deterrence under inpcomplete information
Harrington jr., Joseph E., (1985)
Free entry oligopoly, Cournot, Bertrand and relative profit maximization
Satoh, Atsuhiro, (2014)
The profitability of innovating firms
Geroski, Paul A., (1991)
The persistence of profits : a Europ. comparison
Geroski, Paul A., (1987)
Competition and innovation
Geroski, Paul A., (1988)