The comparative analysis of use of the device of production functions of Kobba-Duglasa of the valid and complex argument at the research of macroeconomic processes

A comparative analysis of the use of the apparatus of the Cobb-Douglas production functions of a real and complex argument for studying the influence of the state of fixed assets on the economic development of Russia in the period of 1999-2016 is carried out. The possibility of using the production function of a complex argument as an additional tool for assessing the economic situation in the Russian Federation is shown in the case of insufficient quality of the model of the production function of a real argument and meaningful consistency of both functions.