Purpose – The purpose of this paper is to extend the work of earlier researches relating to insider trading issues in the stock market under a Cournot‐Stackelberg duopoly. Design/methodology/approach – This paper models that the competition among the insiders in the real market be...

Purpose – The purpose of this paper is to extend the work of earlier researches relating to insider trading issues in the stock market under a Cournot-Stackelberg duopoly. Design/methodology/approach – This paper models that the competition among the insiders in the real market be...