This paper analyses the level of knowledge management implementation in organizations and the impact of control variables on knowledge management dimensions. In addition, the importance of knowledge management influence on the competitive sustainability of an organization is addressed. The idea of the research is to highlight key factors that affect the effectiveness and efficiency of knowledge management applications in transition conditions. Data for the study were obtained by surveying 520 respondents—managers of all levels from manufacturing enterprises in Serbia. A t-test was conducted in several variations. More precisely, the t-test analysis was conducted on the average assessments of knowledge management dimensions and with specific control variables. The findings indicate that knowledge management dimensions differ in domestic enterprises and foreign enterprises as well as that their impact differs across organizational levels. Financial performance (profitability, sales growth, asset growth, market share, competitive position in a specific industry, productivity, and salaries) was found to be a reliable indicator of knowledge management success. It can be concluded that knowledge management dimensions have an important role in transition countries, and it is evident that effective knowledge management is imperative for the competitive sustainability of an organization.

Abstract. The changes have brought us a new age -"the digital age" and this age has brought us some new challenges that seek to solve the problems of organization in a new way. The digital age, as far as branding is concerned, has brought many advantages to the organization and it can be an extremely valuable marketing tool, but only if the organization manages to gain a positive relationship between the brand and consumers and if it has a proportional advantage in comparison to its opponents; because, on the other hand, besides all advantages it brings us, the digital age can set up many traps. This paper is about the current situation in the global market and pays our attention to some segments of business which are important in digital age for subsistence and the success of an organization. It presents the current awareness of consumers and their way of thinking and acting. The purpose of this paper is to point out conceptual frameworks of branding in Internet form, to show how those frameworks can help marketing planners by organizing and integrating the existing knowledge in development of successful strategies of branding on the Internet. A real example of one of the leading global brands that succeeded to win the challenges of the digital age will be presented in this paper.

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Unemployment, especially among young population, represents one of key economic problems. All important institutions have to be included in overcoming these problems, with the aim of stimulating young people to be involved in entrepreneurial processes. In this paper, global and European trends and trends in the Western Balkans are shown, related to unemployment of young population (aged 15-24). The central part is dedicated to the analysis of possibilities for improving entrepreneurial behaviour of young people in the Central Banat District, on the basis of trends, statistical indicators and the results of conducted research on attitudes of young people towards entrepreneurship and starting their own business. The research sample conducted in 2016 consisted of 350 respondents. The young are often unmotivated to get involved in entrepreneurial processesthey wish to start their own business, but most frequently claim to be distracted by: lack of funds, lack of experience in running a company, lack of knowledge, as well as lack of the right idea. Factors, which distract respondents from starting their own business, represent the result of nonexisting adequate environment for supporting young entrepreneurship.