The Principles of Microeconomics course studies the economic behavior of individuals and firms and its impact on markets. The course begins with an analysis of the theories of demand and supply and how to achieve a balance between them, with a focus on the concept of elasticity and its role in measuring the market's response to changes. It also addresses the theory of utility and consumer equilibrium to understand individuals' choices. The course also focuses on production costs and studying the performance of firms in competitive and monopolistic markets, imperfect competition and oligopoly. This course provides a deep understanding of the mechanisms of economic decision-making and their impact on resources and prices in different markets.