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Công nghiệp 250
Where:
4qN
I
: Production index for the N-th class of the VSIC 4-digit class.
qn
I
: Production index for the n-th item in the VSIC 4-digit class.
qn
W
: Weight of the item n. Weight of item is the value at basic price of the item in
the base year 2015.
- Step 3: Calculating production index of VSIC 2-digit divisions
The production index at 2-digit division of VSIC industry is the weighted
average index of the production indices of VSIC 4-digit classes under the VSIC 2-
digit divisions.
Formula:
4qN
4qN 4qN
2qN
W
W I
I
Where:
2qN
I
: Production index of the VSIC 2-digit divisions.
4qN
I
: Production index of the VSIC 4-digit classes.
4qN
W
: Weight of the VSIC 4-digit divisions. Weight of the VSIC 4-digit
divisions is the value added at current price of the base year 2015.
- Step 4: Calculating production index of VSIC 1-digit sector
The production index at 1-digit sector of VSIC industry is the weighted average
index of the production indices of VSIC 2-digit divisions under the VSIC 1-digit
sectors.
Formula:
2qN
2qN
2qN
1qN
W
W I
I
Where:
1qN
I
: Production index of the VSIC 1-digit sectors.
2qN
I
: Production index of the VSIC 2-digit division.
2qN
W
: Weight of the VSIC 2-digit divisions. Weight of the VSIC 2-digit
divisions is the value added at current price of the base year 2015.
- Step 5: Calculating production index of the whole industry
The production index of the whole industry is the weighted average index of
VSIC 1-digit sectors representing in the whole industry.