دراسة تأثير الحصة السوقية للمؤسسة على التركز الصناعي في قطاع خدمة الهاتف النقال في الجزائر باستخدام دالة (كوب - دوغلاس)‎

الملخص EN

The study aims to identify the effect of changes in the market shares of mobile phone companies in Algeria on the degree of industrial concentration using the Cobb-Douglas formula, And we found that there is an inverse relationship between the market share and the degree of industrial concentration in the sector, As the increase in market shares of Mobilis and Ooredoo companies leads to a decrease in the degree of industrial concentration As for the market share of Djezzy Company, it had no effect on the degree of industrial concentration