Look at the time series data for WPI inflation. Between February 2022 and May 2022 wholesale price inflation (WPI) had surged 320 bps from 13.43% to 16.63%. In contrast, between May 2022 and November 2022, WPI inflation fell sharply from 16.63% to 5.85%; a fall of 1,078 basis points. WP inflation is now at a 21-month low.
Data Source: Office of the Economic Advisor
The negative causal relationship between rate hikes and fall in WPI inflation appears to be working perfectly. Consider this causality. Between May 2022 and November 2022, the RBI hiked repo rates by 225 basis points from 4.00% to 6.25. During the same period, WPI inflation fell 1,078 bps from 16.63% to 5.85%. That is because rate hikes hit the manufacturing sector first but take time to trickle down to the retail level.
The Monetary Policy Committee (MPC) of the RBI should take solace from the fact that the WPI inflation has reacted sharply to the rate hikes. Clearly, with the CPI inflation being a lag indicator, it should follow suit. In May 2022, WPI inflation had touched a 31-year high of 16.63%. WPI inflation had actually become a lot steeper in 2022 due to the Ukraine war, impact of Russia sanctions, China’s zero-COVID lockdowns and global central bank hawkishness; apart from high inflation and pressure on cost of funds.
WPI inflation is tapering across the board
The sharp fall in WPI inflation has been literally across the board. Manufacturing inflation yoy fell from 6.12% in September 2022 to 4.42% in October and now to 3.59% in November 2022. Since manufacturing has a weightage of 64.2% in the WPI basket, it had the highest impact in pulling down the WPI inflation. Food inflation and energy inflation have also been tapering amidst a global commodity correction. While food inflation has fallen from 8.02% to 2.17% in the last 3 months, the fuel inflation has fallen from 33.11% to 17.35%.
The highest producer inflation in October 2022 was in HSD at 42.10% followed by crude oil at 33.87%, wheat 18.11%, potatoes at 13.75%, cereals 12.85%, paper products at 8.31% and mineral products at 7.10%. The fall in inflation is visible across primary, secondary and fuel products. There have also been some commodities in the basket with negative WPI inflation for November 2022. Vegetables at -20.08%, Onions at -19.19%, LPG at -13.40% and vegetable oils at -5.10% helped to keep the overall WPI inflation in check in November 2022.
How WPI inflation fared over the last 3 months
Commodity Set | Weight | Nov-22 WPI | Oct-22 WPI | Sep-22 WPI |
Primary Articles | 0.2262 | 5.52% | 11.04% | 11.54% |
Fuel & Power | 0.1315 | 17.35% | 23.17% | 33.11% |
Manufactured Products | 0.6423 | 3.59% | 4.42% | 6.12% |
WPI Inflation | 1.0000 | 5.85% | 8.39% | 10.55% |
Food Basket | 0.2438 | 2.17% | 6.48% | 8.02% |
Data Source: Office of the Economic Advisor
The latest reading on WPI inflation is important for several reasons. Firstly, WPI is a much better test of the efficacy of rate hike impact since the impact is felt first on WPI inflation and CPI inflation is normally with a lag. Secondly, in early 2022, inflation trend was set by higher crude prices. However, even after oil prices started tapering on recession fears, producer inflation in food and manufactured products stayed elevated. Now the fall is across the board with lower manufacturing inflation being driven by lower input costs as well as lower food prices, despite pressure of a weaker than expected Kharif this year. Also, among key input costs, raw material costs, power costs, transportation costs and manpower costs are also gradually normalizing.
There are 3 risks to the WPI inflation as we see it. Firstly, higher cost of funds has imposed a higher financial cost on companies. Secondly, crude market could see a lot of disruption if the EU deepens its sanctions on Russia. While currently, Russia is selling surplus crude to India and China, it would be hard to absorb the gap left by Europe. Lastly, the bet is that despite a weak Kharif Rabi should be good. A lot is reliant on this assumption.
What we gathered from the high frequency WPI data
While WPI inflation is generally presented YOY, the DIPP also presents a high frequency MOM picture. This is on the lines of what the BLS provides in the US, where equal weightage is given to YOY inflation and also to high frequency inflation. This can provide useful insights on the colour and direction of short term momentum as it captures short term shifts and macro pressures more effectively than the YOY data.
MOM numbers capture short term trends better but they also tend to be vulnerable to short term base effects. It works both ways, but is a key input to track.
Enough of missives; time for RBI to change tack
If the RBI would be pleased to see the retail CPI inflation dipping below 6%, the bigger cause for celebration is the WPI inflation falling over 10 percentage points since the May peak. WPI inflation as an example of how inflation targeting works in practice and that is what the RBI must now explain to the government. Inflation is a worry, but not a concern. The real concern is that high cost of funds is putting pressure on the interest coverage ratio of Indian companies and the rural demand is under a lot of pressure.
How can the RBI address this situation. As MPC members like Jayanth Varma and Ashima Goyal have pointed out, it is time to pause on rate hikes and focus on growth. India is pleased to talk about being the only large economy to grow at 7%, but now the RBI and the government have to their bit to boost growth. Growth needs low cost of funds and adequate liquidity, which is not possible with the anti-inflation posture adopted. It is high time, the RBI clearly shifts its focus away from inflation and towards economic growth.
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