Inflation Notes for UPSC

Inflation is a sustained rise in the general price level of goods and services over time, which reduces the purchasing power of money. If a packet of biscuits cost 10 rupees last year and costs 11 rupees this year, and the prices of most other things also rose, the economy has inflation. It is one of the most important topics for the UPSC Civil Services Examination because it links to the RBI, the Budget, farmers, the poor and the stability of the economy. Prelims asks about types, indices, causes and measures, and Mains asks about the effects of inflation and how the government and the RBI control it. This note explains the whole topic in simple language.

Meaning and Related Terms

Several words are used around inflation, and you should know each of them clearly. Deflation is a fall in the general price level. Disinflation is a fall in the rate of inflation, which means prices are still rising, but more slowly. Reflation is an effort to raise prices after a period of deflation. Stagflation is a rare and painful condition in which inflation is high, growth is slow and unemployment is high. Hyperinflation is extremely fast inflation, such as that seen in Zimbabwe and Germany in the past. Skewflation is a situation where prices of some items rise much faster than others.

Types of Inflation by Cause

India often faces supply-side or food inflation because of weather shocks, floods and droughts, poor cold storage and supply chains, and sudden changes in the prices of vegetables like tomato and onion. Food has a large weight in the consumer basket, so food price shocks quickly move the headline number.

Measuring Inflation: Price Indices

Inflation is measured by the percentage change in a price index. The formula is: Inflation rate = (Price index this year minus price index last year) divided by price index last year, multiplied by 100. India uses two main indices.

Consumer Price Index (CPI)

CPI measures the change in the retail prices that consumers pay. It is published every month by the National Statistics Office (NSO), MoSPI. The current base year is 2012, and it includes a basket of goods and services, where food and beverages have the highest weight, about 45 percent. There are four types: CPI for Industrial Workers (CPI-IW, from the Labour Bureau), CPI for Agricultural Labourers (CPI-AL), CPI for Rural Labourers (CPI-RL) and CPI Combined (CPI-C), which covers rural plus urban and is used for monetary policy.

Wholesale Price Index (WPI)

WPI measures the price changes at the wholesale level, before goods reach the final consumer. It is published by the Office of the Economic Adviser, Department for Promotion of Industry and Internal Trade (DPIIT), with the base year 2011-12. It does not include services. It has three groups: primary articles, fuel and power, and manufactured products. WPI is useful for tracking the producer side of inflation.

Difference Between CPI and WPI

CPI shows what a consumer pays and includes services; WPI shows the wholesale price and excludes services. Since 2014, the RBI has used CPI-Combined as the main indicator for inflation targeting. The GDP deflator is a broader measure covering all goods and services of the economy. Core inflation is the inflation after leaving out food and fuel, which are volatile, so it shows the underlying trend.

Inflation Targeting in India

In 2016 the RBI Act was amended to create a formal flexible inflation targeting framework, based on the recommendations of the Urjit Patel Committee. The government, in consultation with the RBI, sets the target every five years. The target is 4 percent CPI inflation with a tolerance band of plus or minus 2 percent (that is, 2 to 6 percent). If inflation stays outside this band for three consecutive quarters, the RBI is considered to have failed and has to explain the reasons and the remedial actions to the government. A six-member Monetary Policy Committee (MPC) decides the policy repo rate, with three members from the RBI and three external members appointed by the government. The Governor has a casting vote in case of a tie.

Effects of Inflation

Inflation hurts people with fixed incomes, such as pensioners and daily wage workers, because their money buys less. It also reduces savings, since the real return on deposits falls. On the other hand, debtors may gain because they repay loans with money that is worth less, and producers may benefit from rising prices for a short time. High inflation creates uncertainty, which discourages investment, pushes up interest rates and makes exports costlier. Persistent high inflation, especially of food, is a major concern for the poor, who spend most of their income on food. Mild inflation of around 4 percent is seen as healthy for growth.

Measures to Control Inflation

Monetary Measures (by the RBI)

The RBI can raise the repo rate to make loans costlier and reduce demand. It can raise the Cash Reserve Ratio (CRR) and the Statutory Liquidity Ratio (SLR) so that banks have less money to lend. It can also sell government securities through open market operations and use the Liquidity Adjustment Facility to absorb extra money from the system.

Fiscal Measures (by the Government)

The government can reduce its own spending to control demand and cut the fiscal deficit. It can change taxes, for example by reducing import duty or excise duty on fuel to bring prices down. It can run a better Public Distribution System, release buffer stocks of wheat, rice and pulses through the Food Corporation of India, and restrict exports of items that are short in supply.

Supply-Side Measures

Because much of India's inflation is supply-driven, long-term solutions are very important. These include better storage and cold chains, improving the mandis and the e-NAM platform, support for crop diversification, and operating the Price Stabilisation Fund to buy and sell pulses and onions. Imports can be allowed in time to cover shortages, and the Essential Commodities Act can be used to stop hoarding.

Phillips Curve and Other Ideas

The Phillips Curve shows an inverse relationship between inflation and unemployment in the short run: when unemployment is low, inflation tends to be higher, and the reverse. Stagflation in the 1970s broke this relation. The idea of the Quantity Theory of Money says that the price level depends on the money supply, which is why monetary policy matters. Remember also the base effect: a low price level last year makes this year's inflation look high, and a high base makes it look low. This term appears often in current affairs and news.

How to Write a Mains Answer on Inflation

A good answer has four parts. First, define inflation and name the type that fits the question. Second, give the causes in India, separating demand-side and supply-side reasons. Third, discuss the effects on different groups of people. Fourth, suggest both short-term steps by the RBI and the government, and long-term reforms such as storage, markets and farm productivity. Add a recent example, like the rise in vegetable prices after heavy rain, to make the answer practical.

Inflation and the Common Household

Think about how inflation reaches an ordinary family. When the price of vegetables, cooking oil and cooking gas rises, the monthly budget becomes tight, and the family spends less on education, health or savings. A farmer may sell at a low price at the mandi, while the consumer pays a high price in the city, because the middlemen, transport and storage take a large share. This is why policy makers talk about reforms of the supply chain along with interest rates. For the UPSC answer, remember that inflation is not only a monetary issue; it is also a farm, market and governance issue. Student questions often ask whether the RBI alone can control inflation, and the right reply is no, because the RBI controls demand through interest rates, but it cannot grow more tomatoes or fix a broken road.

Quick Revision

• Inflation target: 4 percent with a band of plus or minus 2 percent, using CPI-Combined.
• CPI is published by NSO (MoSPI); WPI by the Office of the Economic Adviser (DPIIT).
• CPI includes services; WPI does not.
• Tools to cut inflation: higher repo rate, CRR and SLR, open market sales, lower duties, better supply.

Inflation is both a number and a story about how people live. Learn the definitions and indices, remember the 4 percent target, and connect every cause with its remedy, and you will be able to answer any question on this topic with confidence.

Related Notes to Read Next

Continue your preparation with these related notes from the same subject:

• Monetary Policy and RBI Notes for UPSC
• Union Budget and Fiscal Policy Notes for UPSC
• GST and Indian Tax System Notes for UPSC
• All Indian Economy notes

Frequently Asked Questions (FAQ)

What is inflation in simple words?

Inflation is a general and continuous rise in the prices of goods and services in an economy, which reduces the buying power of money.

What is the difference between inflation and deflation?

Inflation is a rise in the general price level, while deflation is a fall in the general price level.

What is the inflation target of the RBI?

The RBI follows a flexible inflation target of 4 percent based on CPI-Combined, with a tolerance band of plus or minus 2 percent.

What is the difference between CPI and WPI?

CPI measures retail prices paid by consumers and includes services, while WPI measures wholesale prices and does not include services.

Who publishes CPI and WPI in India?

CPI is published by the National Statistics Office under MoSPI, and WPI is published by the Office of the Economic Adviser under the DPIIT.

What is core inflation?

Core inflation is inflation calculated after excluding food and fuel items whose prices change quickly. It shows the underlying price trend.

What is demand-pull inflation?

It is inflation caused when total demand in the economy is more than the supply of goods and services.

What is cost-push inflation?

It is inflation caused by an increase in production costs such as wages, raw materials and fuel, which producers pass to consumers.

What is stagflation?

Stagflation is a situation of high inflation, slow growth and high unemployment all at the same time.

What is the Monetary Policy Committee?

The MPC is a six-member committee, three from the RBI and three external members, that decides the repo rate to meet the inflation target.

How does the RBI control inflation?

The RBI controls inflation by increasing the repo rate, raising CRR and SLR, and conducting open market operations to reduce liquidity.

What is the base effect?

Base effect is the impact of last year price level on this year inflation rate. A low base makes inflation look higher and a high base makes it look lower.