تأثير تطور الحصة السوقية لمؤسسة "موبيليس" على تركز صناعة خدمة الهاتف المحمول في الجزائر خلال الفترة 2003-2015

الملخص EN

The aim of this study is to Determine the impact of different changes in the market share for the ATM operator of the mobile telephone service in Algeria, on the degree of industrial concentration in the sector, we have addressed the concept and indicators of measuring the market share of the enterprise, and we highlighted the importance of analyzing the market share of the enterprise where it is considered as a measure of the performance of the institution, we also discussed industrial concentration its indicators and the various concepts associated with it, we conclude that there is an impact and inverse relation between the market share and the degree of concentration, where we found that the Increase in the market share of the enterprise ATM Has contributed to a low degree of industrial concentration in the sector, within the limits of this study