Differentiate between CPI and WPI as inflation measures. Examine the implications of divergent rural-urban inflation trends for monetary policy and social equity.

Q. Differentiate between CPI and WPI as inflation measures. Examine the implications of divergent rural-urban inflation trends for monetary policy and social equity. (15 marks, 250 words)

India tracks price movements through two lenses — the Consumer Price Index (CPI), capturing retail prices paid by households, and the Wholesale Price Index (WPI), capturing producer-level transactions. Their divergence, and CPI's own rural-urban split, shape both policy and welfare.

CPI vs WPI - Level: CPI measures retail inflation; WPI measures wholesale/producer inflation. - Compiler: CPI by NSO, MoSPI (base revised to 2024=100 from January 2026); WPI by DPIIT. - Basket: CPI weights food heavily and includes services (via COICOP-2018 classification, ~358 items) [1]; WPI excludes services, weights manufacturing highest. - Policy role: CPI is the RBI's inflation-targeting anchor (4% ±2% band); WPI is not.

Divergent rural-urban inflation June 2026 CPI showed rural inflation (4.74%) exceeding urban (3.92%), driven by higher food inflation (CFPI 5.32%) [2].

Monetary policy implications - A single national repo rate cannot address region-specific pressures; food-led rural inflation is largely supply-side, blunting rate transmission. - Divergence complicates the MPC's read of "core" versus transient inflation.

Social equity implications - Poorer rural households spend a larger share on food, so elevated food inflation erodes real incomes and widens inequality. - Volatile item movements (potatoes −20%, silver +133%) [2] hit farmers and artisans unevenly.

Robust inflation measurement — modernised via CAPI data collection [1] — must be paired with supply-side reforms in agri-logistics and targeted social protection. Aligning statistical rigour with equitable food-price stability advances the constitutional goal of social justice.

(~250 words)

Sources: 1. Frequently Asked Questions (FAQs) on CPI 2024 Series — MoSPI — base 2024=100, COICOP-2018, item basket, CAPI data collection 2. Press Release of Consumer Price Index (Base 2024=100) for June 2026 — PIB/MoSPI — June 2026 rural/urban CPI, CFPI, item-level price movements