There is another sphere of human knowledge, with which at an economy the coincidence of interests and methods of analysis was revealed: it is psychology — social and personality. Bearing as a poetic fairy-tale about wandering of the human soul (in appearance Psyche), swearing the search of harmony, psychology grew into science about human consciousness, emotions and intellect, about personality. Psychological approach was absorbed fabric of economy. The great opening of XIX в. is birth of theory of marginal utility, or , was, perhaps, by the most obvious and fruitful result of interpenetration of these sciences. Modern economists can not do without such concepts, as reaction, rational expectations, agiotage demand, money illusions et cetera A macroeconomic analysis becomes basis of public regional policy, leans against it.

Macroeconomic knowledges not at all are distant from an enterprise. In fact such formulas, as reverse dependence between inflation and unemployment in the scale of society or between a bank percent and rates of growth of gross product, between growth of inflation and lowering of course of exchange of domestic currency it is necessary to know even in an order to foresee the changes of the state of affairs and credible of administrative regional structures or governments.

Working out the total said, will mark that an economy is science about the general acts of economic development of economy, examining it is an economy in development and in intercommunications with an external environment.

However except for the concept of economy as science there is a concept "Concrete economy", or "real economy" which can be presented the different levels of management: national, regional, corporations, enterprises, organizations et cetera With these concepts and categories to us and coming to familiarize in offered to your attention manual.Concept national economy it is entered in the scientific turn of XIX representatives of historical school. Almost 100 years back its founder — Gustavus Shmoller (1838—1917) formulated the "genetic going" nearresearch of economy. According to his opinion, the economic look of country is formed by social-historical, national psychological, ethnic and even anthropological factors. Shmoller first paid regard to "economic psychology" of one or another people, giving an uniqueness to the national economy. He said of et al, sounding very topically, idea: in an economic policy there can not be universal rules and decisions, suitable for entire countries and times.