Read the following statements carefully : Statement 1 : Public goods are those goods for which the payments ar

Question 41 of 54

Q. Read the following statements carefully : Statement 1 : Public goods are those goods for which the payments are made by all the entities in the country. Statement 2 : Private goods are those goods which are provided by the government of a country at subsidised rates. In the light of the given statements, choose the correct option from the following : (A) Statement 1 is true and Statement 2 is false. (B) Statement 1 is false and Statement 2 is true. (C) Both Statements 1 and 2 are true. (D) Both Statements 1 and 2 are false.

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Concept understanding — Public Goods Provision

You are walking home with a friend who bought a pack of biscuits. She opens it and starts eating. You can smell the biscuits from a metre away. Can she stop you from enjoying that smell? No. And if she eats one biscuit, is there less biscuit left for her? Yes. That simple difference is the entire foundation of public goods.

The Two Key Properties

Economists classify goods based on two questions:

Rivalry: If I consume one unit, does that leave less for you? (A biscuit is rival – once eaten, it's gone. A song on the radio is non-rival – my listening doesn't reduce it for you.)
Excludability: Can the seller prevent you from consuming it if you don't pay? (A cinema ticket is excludable – no ticket, no entry. A lighthouse beam is non-excludable – you can't stop a ship from seeing it.)

A public good is a good that is both non-rival and non-excludable.

Important

Public Good = Non-Rival + Non-Excludable

The classic textbook example is national defence. If the army protects the country from invasion, it protects everyone within the borders. My being protected does not reduce the protection you get (non-rival). And you cannot be excluded from that protection even if you refuse to pay taxes (non-excludable).

Another example is clean air. Everyone breathes the same air. One person breathing doesn't use it up, and you can't stop someone from breathing.

The Problem: The Free Rider

Here is where the trouble begins. Because a public good is non-excludable, a rational person thinks: "Why should I pay for it? I will get the benefit anyway, whether I pay or not."

This is the free rider problem. If everyone thinks this way, no one pays. The good is either not provided at all, or is provided at a much lower level than society actually wants.

Think of a streetlight in your colony. If the residents are asked to voluntarily contribute money to install it, many will say, "I can see from my window just fine without paying. Let others pay." If everyone does that, the streetlight never gets installed, even though everyone would be better off with it.

Watch out

A common mistake is to think "public good" means "provided by the government." That is not the definition. A public good is defined by its economic properties (non-rival, non-excludable). The government often provides it (like defence or streetlights) precisely because the free rider problem makes private provision impossible.

The Solution: Government Provision

Because the market fails to provide public goods efficiently, the government steps in. It uses its power of taxation to force everyone to contribute. The tax is the "price" you pay for the public good, whether you wanted it or not.

The government then decides how much of the public good to provide. This is a difficult decision because there is no market price to signal what people want. The government must use tools like cost-benefit analysis or voting to decide the optimal level.

Note

Private Goods (a biscuit, a phone) are rival and excludable. Markets handle these well.

Common Resources (a public park, a fishing ground) are rival but non-excludable. These face the "tragedy of the commons" – overuse. …

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Both statements are incorrect; public goods are defined by non-rivalry and non-excludability, typically funded by taxes, while private goods are rivalrous and excludable, usually provided by private entities.

In economics, goods are broadly classified based on two fundamental characteristics: rivalry and excludability. Understanding these distinctions is crucial for comprehending how different goods are provided and consumed within an economy, and why governments often intervene in the provision of certain types of goods.

Public Goods

Public goods are characterized by two key features:

Non-rivalry: One person's consumption of the good does not diminish another person's ability to consume it. For example, if one person enjoys the benefits of national defense, it does not reduce the amount of national defense available to others. Similarly, many people can enjoy a street light without reducing its illumination for anyone else.
Non-excludability: It is either impossible or prohibitively costly to prevent individuals from consuming the good, even if they do not pay for it. Once a public good is provided, it is difficult to exclude anyone from benefiting from it. For instance, it is hard to prevent any citizen from benefiting from national defense or street lighting, regardless of whether they have directly paid for it.

Due to these characteristics, public goods often face the "free-rider problem." Individuals can benefit from the good without contributing to its cost, leading to under-provision if left to the private market. This is why public goods like national defense, street lighting, and public parks are typically provided by the government and funded through general taxation, rather than direct payments for consumption by individual users.

Note

The payment for public goods comes from general taxes collected from citizens and businesses, not from direct payments made by all entities specifically for the consumption of that particular good. The benefit is available to all, irrespective of their direct payment for it.

Private Goods

In contrast, private goods possess the opposite characteristics:

Rivalry: One person's consumption of the good prevents another person from consuming the same unit of that good. For example, if you eat a slice of pizza, no one else can eat that exact slice. If you wear a particular shirt, no one else can wear it at the same time.
Excludability: It is possible to prevent individuals from consuming the good if they do not pay for it. A seller can easily prevent someone from eating a slice of pizza or wearing a shirt if they haven't paid the price.

Private goods are typically provided by private firms in competitive markets. Consumers pay a price for these goods, and those who do not pay are excluded from consuming them. The market mechanism works efficiently for private goods because producers can charge a price and exclude non-payers, ensuring that resources are allocated based on demand and willingness to pay.

Important

The definition of a private good is based on its inherent characteristics of rivalry and excludability, not on who provides it or at what price. While governments might sometimes provide certain private goods (like healthcare or education) and subsidize them, this is a policy choice, not a defining feature of a private good itself.

Now, let's evaluate the given statements:

Statement 1: Public goods are those goods for which the payments are made by all the entities in the country. …

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