Bakhtari E. The role of Coase theorem in the making of new institutionalism in the second half of the XXth century.

The historical process of the new institutional economics forming in the second half of the XX century. The complex scientific and theoretical analysis of the essence, principles and mechanisms of Coase theorem, in which have found generalization new methodological approaches of the institutional analysis of market economic system. The methods of research: the system approach to the analysis of economic events and processes. Disclosed an essence of methodology of Ronald Coase and a substantiation of civilization paradigm influence in formation of new institutional economics, and also a role of Coase theorem in forming of new institutionalism. R.Coase contribution into development of the new institutional economics. There has been provided the solving of the externalities problem in economic system of Ukraine, new view on institutional role of the reytinging, the calculation of the transaction sector of ukrainian economy for 2001-2005. Economic education and formaing of state economic policy.