The textbook is written in accordance with the State educational standard of higher professional education. This publication contains all the most important sections of economic theory: introduction to economic theory, microeconomics, macroeconomics, history of economic doctrines. Authors, leading teachers of the St. Petersburg State University of Economics and Finance, took into account modern trends in the organization of the educational process and included in the textbook a collection of modules, with the help of which students can not only consolidate theoretical knowledge, but also master the skills of independent work in the real sector of the economy. For students of all forms of study and teachers of economic universities, bachelors of economics, and also college students.