Demerit goods

Indian Economy glossary

Topic: Government Budget, Fiscal Policy and FRBM · NCERT: Beyond NCERT

Meaning

Demerit goods are goods that harm the people who use them, and often others too, but that people still use too much, because they underestimate how costly the harm is. Tobacco and alcohol are the standard examples.

This matters because it is a case of market failure (free buying and selling does not give the best result for society). Left alone, the market would supply more of these goods than is good for society. So the government uses the budget to cut their use, mainly through taxes or bans.

Explanation

Why people consume too much

  • Private demand is higher than what society values. The buyer looks only at today's pleasure. Society also sees the long-term damage.
  • People underestimate the costs:
  • The harm, such as disease or addiction, comes later. The pleasure comes now.
  • Many users do not know, or do not believe, how harmful the good is.

  • Addiction makes it hard to cut down, even when the user wants to.

  • The cost also falls on others. Passive smoking, drunk driving and public health spending are paid for by people who did not buy the good. These costs are called negative externalities (costs that fall on someone outside the deal).

  • Result: the quantity sold in the market is more than the level that is best for society.

Where it sits in the budget's three functions

  • Richard Musgrave divided the budget's work into three functions: allocation, redistribution and stabilisation.
  • Demerit goods come under the allocation function. This is the budget's job of correcting what and how much the economy produces.
  • Goods are grouped by how the state treats them:
  • Public goods (e.g. defence). The market supplies too little, so the government provides them.
  • Merit goods (e.g. education, health). People buy too little, so the state subsidises them.

  • Demerit goods (e.g. tobacco, alcohol). People buy too much, so the state taxes or bans them.

  • Demerit goods are the mirror image of merit goods.

Tools the state uses

  • Sin tax (a heavy tax on a harmful good):
  • The tax raises the price.
  • Buyers purchase less.

  • Use falls closer to the level that is best for society. The government also earns revenue.

  • Ban or prohibition: sale or use is stopped completely. This is the strongest tool, but it can push trade underground.

  • Other rules: age limits, health warnings on packets, advertising limits and awareness campaigns. These correct the lack of information that causes over-use.
  • What decides how well a tax works:
  • Addictive goods have inelastic demand, which means demand falls only a little when the price rises.
  • So a sin tax often raises a lot of revenue but cuts use only slowly.
  • If the rate is very high, smuggling and illegal trade grow.

In India

  • The 40% GST rate: India's special GST rate for sin and luxury goods. It covers pan masala, tobacco, aerated drinks, high-end cars, yachts and private aircraft [1][2].
  • The 56th GST Council approved it, and the new rates started on 22 September 2025 [1][2].

  • The special rate applies to only a few goods, mainly sin goods and some luxury goods [1].

  • Compensation Cess merged: the Compensation Cess was ended and its rate was merged into GST. So the tax burden on most of these goods stayed the same [1].

  • Exception: cigarettes, chewing tobacco (e.g. zarda), unmanufactured tobacco and beedi kept the old GST plus compensation cess rates. Their new rates were to start from a later date to be notified [1][2].
  • Alcohol: alcohol for human consumption is outside GST. States tax it through state excise duty, and some states have used prohibition (a full ban).
  • Constitutional angle: Art. 47 (Directive Principles) asks the state to work towards prohibiting intoxicating drinks and drugs that harm health. This is the constitutional basis for discouraging demerit goods.

Don't confuse with

  • Merit goods: these are the opposite. Society values education and health more than private demand does, so the state subsidises them. Demerit goods are valued less by society, so the state taxes or bans them.
  • Luxury goods: the 40% GST rate covers both sin goods and luxury goods (yachts, private aircraft) [1][2]. A yacht is taxed because it is a luxury, not because it is harmful. Being in the 40% slab does not make something a demerit good.
  • Inferior goods: these are goods whose demand falls when income rises, a demand concept. "Demerit" is about harm and over-use, a welfare concept. The two are unrelated.
  • Public goods: the problem there is under-supply caused by free riding. With demerit goods the problem is over-consumption. A tobacco product is a normal private good (rival and excludable).

Prelims Hooks

  • Demerit good: harmful and over-consumed, because people underestimate its costs. State response: tax or ban. Merit good: under-consumed. State response: subsidy.
  • Demerit goods fall under the budget's allocation function (Musgrave's three branches: allocation, redistribution, stabilisation).
  • The 40% GST rate on sin and luxury goods has applied since 22 September 2025, after the 56th GST Council approved it [1][2].
  • The Compensation Cess was merged into GST under the new rates [1]. Trap: cigarettes, zarda, unmanufactured tobacco and beedi did not move at once. They kept the old GST plus cess rates until a later notified date [1][2].
  • Trap: "Every good taxed at 40% is a demerit good." This is wrong, because high-end cars, yachts and private aircraft are taxed as luxuries.
  • Art. 47 (DPSP) supports prohibiting intoxicating drinks and harmful drugs.

Mains Points

  • Sin tax: health goal vs revenue goal. Sin taxes, such as the 40% GST rate since 22 September 2025 [1][2], cut harmful use and also raise revenue. But the two goals pull against each other:
  • if the tax works and use falls, the revenue base shrinks;
  • because addictive demand is inelastic, the tax may raise revenue without cutting use much;

  • very high rates encourage smuggling and illegal trade.

  • Tax vs ban. A ban sends the strongest signal, but it can lead to illegal liquor, lost excise revenue for states and weak enforcement. A graded tax plus information tools (warnings, awareness, age limits) may reduce harm with fewer side effects.

  • Paternalism vs individual choice. Taxing demerit goods means the state overrides personal choice for the person's own good. The case is strongest where there are costs to others (passive smoking, drunk driving) and missing information. Critics also point out that sin taxes are regressive: poorer users (e.g. of beedi) spend a larger share of their income on them. This links to the budget's redistribution function.

Related concepts

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Sources

  1. 1FAQs on the decisions of the 56th GST Council, PIBpib.gov.in · tier 1
  2. 2GST Reforms 2025: Relief for Common Man, Boost for Businesses, PIBstatic.pib.gov.in · tier 1