Key Points

Economics deals with the problem of choice arising from unlimited human wants and limited resources. This core issue is known as scarcity.

Needs are essentials for survival like food, water, and shelter. Wants are non-essential desires, such as gadgets, vacations, or luxury items.

Opportunity cost is the value of the next best alternative that is forgone when making a decision. It represents the trade-off involved in every choice.

The PPC is a graph showing the maximum combinations of two goods that can be produced with available resources. It visually represents scarcity, trade-offs, and opportunity cost.

Every economy must answer three central questions: What to produce, how to produce, and for whom to produce. These questions guide resource allocation.

This question concerns which goods to make and which consumer groups to target. Producers decide this based on needs, purchasing power, and market demand.

This involves choosing the production method, which can be labor-intensive (using more workers) or capital-intensive (using more machines). The choice depends on costs, technology, and resource availability.

Good economic decisions rely on data and analysis, not guesswork. Economists use tools like economic surveys and company reports to advise individuals, businesses, and governments.

An economic system defines how a country organizes the production, consumption, and distribution of goods and services to answer the three key economic questions.

In a planned economy, a central government authority makes all major economic decisions and owns most resources. Examples include the former Soviet Union and North Korea.

In a market economy, decisions are made by private individuals and companies based on supply and demand, with little government intervention. Examples include the United States and Japan.

A mixed economy combines features of both market and planned systems, where both the government and private sector participate in the economy. Most modern economies, including India, are mixed.

After independence, India had a planned economy. The economic reforms of 1991 shifted it towards a more market-oriented mixed economy, encouraging private enterprise and competition.