In the IO literature it is commonly considered that prices are strategic complements and quantities strategic substitutes This article presents a standard spatial oligopoly model where the prices may be strategic substitutes

[eng] Bertrand and Cournot may exist. . This article presents a general approach establishing the coexistence of Bertrand and Cournot oligopolists. It is based on a two-stage game model where the firms choose the priees at the first stage and the aggregate consumer decides the quantities at the...

The impact of private benefits extraction on the values of oligopolistic firms is analyzed. Private benefits are assumed to generate costs which are passed through the organizational structure and create price distortion in the downstream product market. We prove that this may affect the profit...