Introduction to Economics
ICSE · Class 9 · Economics
Quick revision notes for Introduction to Economics — ICSE Class 9 Economics. Key concepts, formulas, and definitions for last-minute revision.
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Key Topics to Revise
1. Definitions of Economics
- Definitions of Economics are grouped into five categories.
- The five categories are Wealth Definition, Welfare Definition, Scarcity Definition, Growth Definition, and Keynes's Definition.
- Different economists emphasized different aspects of economic life.
2. Wealth Definition
- Adam Smith published An Inquiry into the Nature and Causes of the Wealth of Nations in 1776.
- He defined Economics as a science which inquires into the nature and cause of wealth of nations.
- Wealth definition gives importance to material goods only.
3. Welfare Definition
- Alfred Marshall published Principles of Economics in 1890.
- Marshall defined Economics as a study of mankind in the ordinary business of life.
- His definition gives more importance to human welfare than to wealth.
4. Scarcity Definition
- Lionel Robbins published his book in 1932.
- He defined Economics as a science which studies human behaviour as a relationship between ends and scarce means which have alternative uses.
- Robbins said Economics is concerned neither with material means nor with welfare.
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