economic effect. It differs from the net effect by the Inclusion of material expenditures. In this case the effect Is determined as a difference between the gross output growth (X) and the reduced costs <Z>: · (7) In Its turn 6 Z = ~ S +•M• where A.§, stands for the Increment of net normative costs: (I + Ew > x w.L + ENA.f and AM denotes the Increment of running material costs and depreciation. Formula (7) corresponds to formula (6) as: This Indicates to wide possibilities of using the formula of annual reduced costs In production management. 414 On the basis of the national economic effect Indicator one can also calculate other Interconnected Indicator: the effect of relative saving of res~urces and the effect of enlargement of production scale. The value· of th·e national econopmlc effect (or Intensification effect as It· has been called earlier) IS determined for different economic results of two years under comparison •. The calculation of generalized Indicator- of efficiency re~uced to a similar economic· result makes It possible to determine the effect of relative saving of et normative expenditures which results, In principle, from scientific and technological progress and consequently can be cal led the etfect of S and T progress (RSTP>. Its value Is determined by the following formula: R • 51 (Y /Y ) - S (8) STP t t+1 t-1 t-1 It Is possible to expres~ S and relative saving of separate types of resulting from disengagement of workers (R • W (Y /Y ) -W and w 0 t-1 t t productive funds R • F (Y /Y ) - F F t-1 t-1 t t T progress resources: effect by wage fund Similarly to RW and RF Indicators It Is possible to calculate relative saving of corresponding material resources. 
**Analysis**
The text appears to be discussing the calculation of economic indicators related to productivity and efficiency, using formulas and mathematical expressions. The context suggests a focus on the national economy and the impact of scientific and technological progress on economic outcomes. The language used is technical and specialized, indicating a field of study that is more theoretical and analytical than practical or applied.

**Category**
Economic development, Science and technology