The book "Basic Micro-Economics Principles: Volume One" offers a comprehensive introduction to the fundamental principles of microeconomics. It is aimed particularly at students of economics, both at the undergraduate and graduate levels, and is also suitable for other related fields in economics and law. This volume covers central topics in microeconomics that deal with economic issues at the individual and household level. The content includes, among other things, the economic problem, supply and demand, elasticity, consumer behavior, production theories, cost and revenue maximization, as well as various forms of competition. The book is designed to provide a solid understanding of microeconomic concepts and to prepare readers for the application of these principles in practice.