We live in an economic world, but we often try to create our own economic laws. By and large, economics is not so much an exact science as it is a field of regularities that arise in our daily lives in the form of prices, exchange rates, work situations, purchasing decisions, and many other events. We can accurately calculate the trajectory of the movement of celestial bodies, but we are often unable to predict our next economic decision. After all, at the center of economic knowledge is an amazing and unpredictable creature - a person.In this book you will learn about the evolution of economic views and the most modern approaches of the 21st century, consider the issue of economic success at different levels - the country, the enterprise and the person. The book is written in such a way as to be interesting to an economist and understandable to a non-economist. It raises questions and makes you think, project certain described phenomena on human life and provides an opportunity to better understand the economic world.2nd edition, revised and supplemented.