Shenyagin Viktor Pavlovich, associate professor of finance and credit at the Moscow academy of economy and law
The work overviews the features of economic concepts for the last two decades forcing to treat studying of the economic theory and practice differently taking into account dialectics of its development, change of reference points, models and indicators of enterprise structures activity. Modification of Pythagorean treatment of essence and identity as a way to its knowledge is considered. Formulas, indicators, and the mechanism of manifestation of harmony are given in sustainable development of enterprise structures taking into account their functioning in the system “nature – society – man”.
KEYWORDS: harmony, sustainable development, mathematics of harmony, gold proportions, inversion, essence, identity, harmonious company, harmonious management.