The course ‘Managerial Economics’, looking at the main topics of economic science, provides an understanding of the problems of market interaction, the fundamentals of firm goal-setting and the options of firm behaviour under different market structures. The course also analyses strategic interactions between firms and examines the impact of these interactions on market structure and welfare, and the sources of market power of the firm. The study of this course will be useful for manager's decisions on the best use of the firm's limited resources. All figures and graphs in the course materials were created by the author.