Economy ยท GS3
New producer-price indicators
One line
MoSPI released provisional WPI and Output Producer Price Index estimates, along with a trial Input Producer Price Index, using the new statistical framework.
Summary
Producer-price indices improve understanding of inflation at different stages of production. Output prices show what producers receive, while input prices track what they pay for production inputs.
PYQ pattern
UPSC may compare CPI, WPI, PPI, GDP deflator, and IIP.
Core notes
- Wholesale prices and producer prices use different conceptual scopes.
- An output PPI measures prices received by domestic producers.
- An input PPI measures prices paid by producers for inputs.
- A trial index allows methodological testing before full operational use.
Prelims lens
- A price index measures price change, not production volume.
- CPI reflects prices faced by consumers.
- Base-year weights affect the combined index.
MCQ 1
An Output Producer Price Index tracks prices:
- A. Received by producers for output
- B. Paid only by final consumers
- C. Of financial assets only
- D. Of imported tourism services only
Reveal answerHide answer
A
Output PPI measures price change from the producer's output perspective.
MCQ 2
Which statement is correct?
- A. A price index and a production-volume index are identical.
- B. Input PPI can help trace cost pressures faced by producers.
- C. CPI measures only wholesale transactions.
- D. Trial indices require no methodological evaluation.
Reveal answerHide answer
B
Input prices are one channel through which production costs can change.
Mains
Question, 10 marks, 150 words: How can producer-price indices improve inflation analysis and policy?
Approach:
- Distinguish consumer, wholesale, output, and input prices.
- Explain transmission of cost pressures.
- Discuss weights, coverage, and revisions.
- Suggest transparent transition between series.