TY JOUR TI ECONOMETRICS AND V. K. DMITRIYEV′S CONTRIBUTION OF TO ITS DEVELOPMENT KW econometrics KW theory of expenses KW theory of value KW theory of extreme usefulness KW theory of the competition KW price KW model «expenses-release» JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Chizhova, E.. PY 2016 IS 1 PB Belgorod State Technological University named after V.G. Shukhov