NCERT Class 9 Social Science Chapter 8 Building Blocks in Economics: The Problem of Choice

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NCERT Class 9 Social Science Chapter 8 Building Blocks in Economics: The Problem of Choice

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Building Blocks in Economics: The Problem of Choice

Chapter – 8

Part – I: Understanding Society India and Beyond

Textual Question Answer

The Big Questions

1. What does economics deal with?

Ans: Economics deals with how individuals, businesses, and governments make choices to use limited resources efficiently to satisfy unlimited human needs and wants. It also explains how consumers, producers, governments, and financial institutions interact in an economy.

2. What are the key questions in economics?

Ans: Economics seeks to answer three key questions:

(i) What to produce? – Which goods and services should be produced and in what quantity?

(ii) How to produce? – What methods, resources, and technology should be used to produce them?

(iii) For whom to produce? – Who will receive or benefit from the goods and services produced?

3. How do different economic systems address these questions?

Ans: Different economic systems answer these questions in different ways:

(i) Planned Economy: The government decides what, how, and for whom to produce.

(ii) Market Economy: Demand and supply (market forces) and private enterprises make these decisions with limited government intervention.

(iii) Mixed Economy: Both the government and private sector share the responsibility of making economic decisions. This system combines features of both planned and market economies.

1. List three things your parents bought this month. Can you classify them into needs or wants? 

Ans: 

Item Bought	Category
Rice and Vegetables	Need
School Books	Need
New Bluetooth Speaker	Want

2. Do you think having too many wants may create problems? Why or why not?

Ans: Yes, having too many wants can create problems. It may lead to unnecessary spending, financial stress, and difficulty saving money for important needs or emergencies. It can also encourage overconsumption, which wastes resources and harms the environment. Therefore, it is important to balance our wants with our needs and spend wisely.

LET’S EXPLORE

1. Ask your parents about how they make choices for everyday purchases. What is the opportunity cost of making a particular decision?

Ans: My parents compare prices, quality, and necessity before buying anything. They usually buy essential items first and avoid unnecessary spending. For example, if they decide to buy a new school bag instead of dining out, the opportunity cost is the enjoyment of eating at a restaurant. This means choosing one option requires giving up the next best alternative.

2. How do you decide to spend your time? Is time a scarce resource?

Ans: I decide to spend my time by giving priority to important activities such as studying, completing homework, helping at home, and taking rest. Yes, time is a scarce resource because it is limited and cannot be increased or recovered once it is spent. Therefore, it is important to use time wisely by making good choices and balancing work, study, and leisure.

THINK ABOUT IT 

1. Should the government allocate more funds to healthcare and education or to defence and space exploration? Why or why not? 

Ans: The government should allocate funds to both healthcare and education as well as defence and space exploration, but priority should be given to healthcare and education because they directly improve people’s quality of life. Better healthcare keeps citizens healthy, while quality education develops skilled and responsible individuals, leading to long-term economic growth. At the same time, adequate funding for defence protects the country’s security, and investment in space exploration promotes scientific research and technological advancement. Therefore, the government should maintain a balanced approach, ensuring national development while giving greater importance to the basic needs and welfare of its people. 

LET’S EXPLORE

1. In your opinion, should the government completely stay out of enterprise decisions?

Ans: No, the government should not completely stay out of enterprise decisions. It should ensure fair competition, protect consumers, enforce laws, and provide public goods while allowing businesses enough freedom to innovate and grow.

2. Can you think of an example where government action helped or harmed an industry or sector?

Ans: An example of government action helping an industry is the Production Linked Incentive (PLI) Scheme, which encouraged manufacturing and created jobs. An example of government action harming a sector is the strict lockdown during the COVID-19 pandemic, which negatively affected the tourism and hospitality industries due to travel restrictions.

Questions and Activities

1. Why do you think people’s wants keep changing over time? How does this affect production in an economy? Why cannot all our wants be satisfied?

Ans: People’s wants keep changing because of changes in income, technology, fashion, lifestyle, and personal preferences. As these wants change, producers make new and improved goods and services to meet consumer demand. This increases production and encourages innovation in the economy. However, all our wants cannot be satisfied because resources such as land, labour, capital, and money are limited, while human wants are unlimited.

2. ‘Human wants are unlimited and keep changing’. How do you think this constant desire for more creates pressure on the environment? Can the fulfilment of wants and the extraction of resources be balanced?

Ans: The constant desire for more goods increases the use of natural resources, leading to deforestation, pollution, climate change, and the depletion of resources. Yes, it is possible to balance the fulfilment of human wants with resource extraction by using resources wisely, promoting sustainable development, recycling materials, conserving natural resources, and adopting eco-friendly technologies. These measures help protect the environment while meeting people’s needs.

3. Can you think of a resource in your region that is scarce but used wastefully? How could it be managed better?

Ans: In many regions, clean water is a scarce resource but is often wasted through leaking pipelines, excessive use, and poor water management. It can be managed better by repairing leaks, promoting rainwater harvesting, using water wisely, and spreading awareness about water conservation.

4. Which economic system—market, planned, or mixed—do you think gives people the most freedom? Which economic system is best suited for promoting innovation? Why?

Ans: A market economy gives people the most freedom because individuals and businesses can make their own economic decisions. It is also best suited for promoting innovation, as competition encourages businesses to develop new products, improve quality, and adopt better technologies to attract customers.

5. Critically examine why pure economic systems rarely exist in reality. Assess the limitations of such systems and justify why a mixed economy is often considered a more practical and effective approach in real-world contexts.

Ans: Pure economic systems rarely exist because no single system can meet all the needs of a country. A planned economy may reduce competition and innovation, while a market economy may lead to inequality and neglect public welfare. A mixed economy combines the strengths of both systems by allowing private businesses to operate while the government regulates markets, provides public services, and protects the interests of society. Therefore, a mixed economy is considered more practical and effective for achieving balanced economic growth and social welfare.

6. A student has ₹100 and must choose between buying a notebook or saving the money for buying a tennis racket later. Which economic concept best explains this situation?

(a) Demand. 

(b) Opportunity cost. 

(c) Production. 

(d) Inflation. 

Ans: (b) Opportunity cost.

7. How does understanding opportunity cost improve the quality of economic decision-making?

Ans: Understanding opportunity cost helps people compare different alternatives and choose the option that provides the greatest benefit. It encourages the efficient use of limited resources and leads to better economic decisions by considering the value of what is given up.

8. Can effective economic decisions be made without reliable data? Support your answer with an example.

Ans: No, effective economic decisions cannot be made without reliable data. Accurate data helps governments and businesses understand market conditions, identify needs, and plan wisely. For example, a government uses employment and inflation data to prepare policies that promote economic growth and create jobs.

9. Analyse how a country’s present economic choices can shape its long-term future. Why is it important to consider future consequences while making economic decisions today?

Ans: A country’s present economic choices influence its future growth, employment, living standards, and environmental sustainability. Decisions such as investing in education, healthcare, infrastructure, and technology can lead to long-term development. Considering future consequences helps ensure that resources are used wisely, supports sustainable growth, and improves the well-being of future generations.

10. Identify a news article from any newspaper of your choice about a product or commodity (such as vegetables, fruits, fuel, or electronics) where producers or companies are deciding how much to produce or supply. Write 2–3 sentences explaining the example you found and why the production decision was made. 

Ans: A newspaper reported that automobile companies increased the production of electric vehicles (EVs) because the demand for eco-friendly vehicles was rising. They made this production decision to meet customer demand, reduce pollution, and benefit from government incentives for electric mobility.