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Concept of Economics

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Topics

  • Introduction
  • Definition: Economics
  • Adam Smith – "The Wealth Creator"
  • Alfred Marshall – "The Welfare Champion"
  • Lionel Robbin – "The Choice Master"
  • Real-Life Application
  • Key Point Summary
Maharashtra State Board: Class 11

Introduction

Economics is the study of how people, families, businesses, and governments make choices about using their limited resources to satisfy their unlimited wants. The word "Economics" comes from the Greek word "Oikonomia" which means "household management" - just like how you manage your pocket money! 

Why is Economics called the "Queen of Social Sciences"? 
Paul Samuelson, a famous economist, gave economics this title because it influences all aspects of human life - from what you buy with your pocket money to how countries trade with each other.

Maharashtra State Board: Class 11

Definition: Economics

  • Adam Smith: "Economics is the science of wealth"
  • Prof Alfred Marshall: "Economics is a study of mankind in the ordinary business of life. It examines that part of individual and social action which is closely connected with the attainment and use of material requisites of well-being."
  • Lionel Robbins: "Economics is a science which studies human behaviour as a relationship between ends and scarce means which have alternative uses." 
Maharashtra State Board: Class 11

Adam Smith- “The Wealth Creator”

Who was Adam Smith? 

  • Known as the "Father of Economics".
  • Scottish philosopher and economist (1723-1790).
  • Wrote the famous book "The Wealth of Nations" in 1776.

Adam Smith

Key Ideas: 

  • Laissez-faire: Let businesses operate freely without too much government interference.
  • Wealth Accumulation: Focus on creating and increasing a nation's wealth.
  • Division of Labor: When people specialize in what they do best, everyone benefits.
  • Invisible Hand: Market forces naturally guide the economy. 
Maharashtra State Board: Class 11

Alfred Marshal- “The Welfare Champion"

 

Who was Alfred Marshall? 

  • English economist (1842-1924).
  • Wrote "Principles of Economics" in 1890.
  • Shifted focus from wealth to human welfare. 
 
Alfred Marshall 

Key Ideas: 

  • Study of Ordinary People: Economics should focus on the common people's daily lives.
  • Material Welfare: How people improve their living standards.
  • Behavioural Science: Economics studies human behaviour, not just wealth.
  • Beyond Wealth: Economics is more than just money-making.
Maharashtra State Board: Class 11

Lionel Robbin- “The Choice Master”

 

Who was Lionel Robbins? 

  • British economist (1898-1984).
  • Wrote "An Essay on the Nature and Significance of Economic Science" in 1932.
  • Gave the most widely accepted definition today. 
Lionel Robbins 

Key Ideas:

  • Unlimited Wants: People always want more than they can have.
  • Limited Resources: There are never enough resources to satisfy all wants.
  • Alternative Uses: The same resource can be used for different purposes.
  • Choice Making: People must choose between different options. 
Maharashtra State Board: Class 11

Real-Life Application

1. India's IT boom in Bangalore! Companies like Infosys and TCS compete freely, create wealth, provide jobs, and make India globally famous for software

2. Mid-Day Meal Scheme! The government provides free lunch to schoolchildren. This improves health and education – making lives better, not just creating wealth

3. Class 12 student choosing a career: 

  • Engineering (IIT) 
  • Medicine (NEET)  
  • Commerce (CA)  
  • Arts (Literature)  

Can't do all! Must choose one. If Engineering is chosen, Medicine is the opportunity cost. 

Maharashtra State Board: Class 11

Key Point Summary

  • Economics evolved from focusing on wealth to welfare to choice-making.
  • All three definitions are important and complement each other.
  • Modern economics combines ideas from all three approaches.
  • Understanding these definitions helps us make better personal and social decisions. 

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