Résumé: The study examined the impact of total factors productivity (TFP) on economic growth of the private sector during the period (2000-2016), through using annual time series data in order to estimate the production function of the private sector to show the contribution of(TFP) and other factors of production in this sector growth. the study main findings indicated that the production function of the private sector is characterized by capital intensity and weak labor productivity; as well as the limited role of technical progress in its growth. accordingly, the study calls for activating the private sector role; besides enhancing its participation in development due to its great potential, which can only be achieved through diversifying the economy and reducing dependency on the hydrocarbon sector.

Résumé: This paper aimed to measure the effect of the level of insurance functions on costumer relationship management (CRM) in a sample survey of 513 individual in insurance companies (CAAR, CAAT, SAA, Alliance, SIAR, TRUST, others) in Annaba province. The field study concluded that there is awareness of the importance of CRM in the researched companies, given the nature of their service activities. The study resulted a significant correlation and impact of the application of insurance functions (pricing, underwriting, production and claims settlement) on the level of CRM from the perspective of the customers at a level of 5% of significance.

Résumé: This study aims to present the economic reality of the Algerian services sector in light of national and international events economically, politically, and hygienically based on officialstatistics and publications. The study reached a positive impact of the improvement in the| financial position of the period 2001-2008 on the services sector, which helped this sector to face the global financial crisis of 2008, while it did not survive the difficult political and health situation for 2019, which led to an absolutely low performance mainly related to commerce, transport and communication

Résumé: This paper aimed to measure the effect of the creative solution of administrative problems on job satisfaction in a sample survey of 31 individual EVOLAB organization in Annaba province. The field study concluded that the creative thinking has an extreme importance on achieving the job satisfaction. Given the varying degree of job satisfaction by elements of satisfaction among the worker, and the convergence of the creative solution stages’ levels to the administrative problems in the organization; The study resulted a significant correlation and impact of the application of solution method on the level of job satisfaction of the institution’s employees at a level of 5% of significance. In light of the results of the study, the researcher proposed a set of recommendations that can create the appropriate environment to the job satisfaction; at the same time contribute to the development of creative thinking among employees in local organizations.

Résumé: استهدفت هذه الدراسة قياس أثر القطاع الخاص خارج المحروقات على النمو الاقتصادي في الجزائر للفترة 2000-2014 لقطاعات النشاطات (الصناعة، الفلاحة، الأشغال العمومية، النقل والاتصال، التجارة، والخدمات السياحية)، باستخدام منهج بيانات البانل (مزج بيانات السلسلة الزمنية مع بيانات المقاطع العرضية). وخلصت نتائج الدراسة الى أن نموذج التأثيرات المجمعة (PEM)، هو أحسن نموذج مقدر، حيث أظهر بأن القطاع الخاص خارج المحروقات يؤثر تأثيرا سلبيا ضعيفا على النمو الاقتصادي في الجزائر، و يرتبط به بعلاقة معنوية و ذات دلالة إحصائية ، عكسية ضعيفة جدا. وبأن لقطاع الخدمات السياحية التأثير السلبي الأكبر على النمو الاقتصادي، في حين أن لقطاع النقل والاتصال التأثير الإيجابي الأكبر. ولتفعيل هذا القطاع من أجل تعزيز النمو الاقتصادي وتحقيق التنمية، تم ترتيب بعض الاستراتيجيات التي تتمحور حول إصلاحات جديدة وبرامج عصرنة هدفها تقوية القاعدة الصناعية والفلاحية والتجارية والسياحية والبنى التحتية، بما يسمح بتنويع النسيج الإنتاجي من السلع والخدمات خارج المحروقات.