The analysis of the cause of the world financial and economic crisis

In this article the main reasons of the world financial and economic crisis of 2008 are considered. The functions of the global crisis are singled out. The analysis of models of interaction of four types of economic systems is carried out. A systematic approach to the analysis of the financial and economic crisis has been applied. As a result, a general conclusion is made that the main cause of the crises is the violation of parity of four types of systems.