TY JOUR TI REVIEW OF METHODOLOGICAL APPROACHES TO EVALUATION OF THE LEVEL OF SCIENTIFIC AND TECHNICAL PROGRESS: COUNTRY AND REGIONAL ASPECTS KW scientific and technological progress KW evaluation methods KW macroeconomic model KW efficiency indicators KW economic levels hierarchy JO Vestnik of Astrakhan State Technical University. Series: Economics AU Kovaleva, T.. PY 2015 IS 2015 PB Astrakhan State Technical University