Basic Concepts of Macroeconomics Notes chapter-2 Class 12 PDF

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1. Meaning of Macroeconomics

Macroeconomics is the branch of economics that studies the economy as a whole, focusing on large-scale aggregates such as national income, employment, output, inflation, and economic growth, rather than individual units.


2. Macroeconomic Problems and Scope

Macroeconomics deals with broad issues like:

  • Determination of national income and output

  • Employment and unemployment

  • Price stability and inflation control

  • Balance of payments

  • Economic growth and development

Scope includes:

  • Theory of national income

  • Theory of employment

  • Money and banking

  • Government budget

  • International trade and finance


3. Basic Economic Activities

The economy performs three main activities:

  1. Production – Creating goods and services.

  2. Consumption – Using goods and services to satisfy wants.

  3. Investment – Addition to capital stock for future production.


4. Central Problems of an Economy

Every economy faces problems of:

  • What to produce (choice of goods and services)

  • How to produce (choice between labour-intensive and capital-intensive techniques)

  • For whom to produce (distribution among population)

  • Efficient use of resources and growth


5. Types of Goods

  • Consumption Goods – Used by households for direct satisfaction of wants.

  • Capital Goods – Used for production of other goods.

  • Final Goods – Ready for consumption or investment; included in national income.

  • Intermediate Goods – Used as inputs for producing other goods; excluded from national income.


6. Final vs. Intermediate Goods

  • Final goods are for end use, value added counted in GDP.

  • Intermediate goods are used up in production, their value already included in final goods to avoid double counting.


7. Stock and Flow Variables

  • Stock – Measured at a particular point of time (e.g., money supply on 31 March).

  • Flow – Measured over a period of time (e.g., national income in a year).


8. Factor Income vs. Transfer Income

  • Factor Income – Payment for services of factors of production (rent, wages, interest, profit).

  • Transfer Income – Income received without providing factor services (pensions, gifts, donations).


9. Real vs. Nominal Variables

  • Nominal – Measured at current prices.

  • Real – Measured at constant prices (adjusted for inflation).


10. Importance of Macroeconomics

  • Helps in policy formulation.

  • Studies interdependence between sectors.

  • Explains causes of unemployment and inflation.

  • Guides in economic planning and growth strategies.

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