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Nature and Methodology of Economics
MD Siyam HossainMD Siyam Hossain
Bangladesh Institute of Business & Technology.Bangladesh Institute of Business & Technology.
Narayangonj,DhakaNarayangonj,Dhaka
Dhaka,BangladeshDhaka,Bangladesh
www.facebook.com/mdsiyamhossain
2
1. Defining Economics
 Study in economics should begin with definition of economics
Regarding definition following questions should be answered:
 What is Economics?
 What is the definition of economics?
Regarding Definition view of the following authors should be discussed:
 Adam Smith (1776)
 Ricardo (1817)
 Robinson,
 Marshal and
 Lord J.M Keynes
Some economists, however, have the view that:
 Question of definition of economy aside (Richard Jones and Comte)
 Defining economics is unnecessary and waste time (Pareto, Myrdal and
Hutchin)
 Macfie said lack of distinct definition of economics could be harmful
 However, students of economics must have clear knowledge definitions of
economics
 We must distinct idea what economics is, even it is difficult to define
3
1.1 Early Definitions
Adam Smith
 An Enquiry into the Nature and Causes of Wealth of Nations
J.E. Cairns
 Economics deals with the phenomenon of wealth
J.B Say
 Economics as a science that treats wealth
1.1.1 Critics of the early Definitions
 These definitions were harshly defied by religious leader and philanthropists
 Social reformers Carlyle and Ruskin called it “pig science”
 Even religiously liberal peoples saw this:
 They denoted this as “dismal science” (black science), this degraded human
4
1.1.2 Background of the Critics
 During the time religious sentiment was dominant
 Natural science was under developed
 Natural calamity, epidemics and poverty dominated the society
 Wealth was mal-distributed
 Wealth was seen as a cause of poverty
 Concentrating wealth was termed as immoral and sinful
5
2. Marshallian definition of Economics
 Marshal called economics as a study of wealth and man
 “Economics is the study of the general methods by which men co-operate to
meet their material needs and welfare.”
 The aim of the political economy is to explain on which the material welfare of
human being depends
 Marshal definition was termed as welfare definition of economics
This definition emphasis on the following points:
 Wealth is source for human welfare
 But wealth is referred to second position
 Economics deal with general peoples
 Marshal definition consider human with love, and affection
 Motivation and desire to maximise profit is not given proper emphasis
 Economics, however, prerequisites of material welfare
 And encourages materialistic philosophy of life
 In practical world Economics ignores non-materialistic aspect of life
 Marshal regarded economics as science and imperfect art
6
3. Robbins’ definition of economics
 Robbins tried to free the definition of economics from welfare
philosophy
 He said, “Economics is a science which studied human
behaviour as a relationship between wants and scarce means
which have alternative uses”
Robbins definition has following assumptions:
 Endless wants are the source of all economic activities
 If there is no want, economic activity is bound to cease
 Wants are unlimited but the means to satisfy wants is strictly
limited
 Had the means of satisfaction unlimited, no economic problems
have arisen
7
Robbins definition has following superior considerations
 Consider all material and non-material wants
 Consider well being of the peoples
 Does not confine economics on wealth and related activities
 Robbins considers economics as science
Limitations of Robbins definition
 Economics cannot deny its responsibility for human society
 Robbins definition does not include the theory of growth
 It does not explain the problem of unemployment
8
3. Modern Definition
Lord J.M Keynes
 Economics is study of the administration of scarce resources and
of the determination of income and employment
Benham
 Economics is “a study of the factors affecting the size,
distribution and stability of a countries national income.”
Significance of Modern Economics
 Compare to earlier definitions revolution has been made in
economic thinking
 Growth has got central importance in the definition of the
economics
 Stability in economic development

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Nature And Methodology of Economics

  • 1. 1 Nature and Methodology of Economics MD Siyam HossainMD Siyam Hossain Bangladesh Institute of Business & Technology.Bangladesh Institute of Business & Technology. Narayangonj,DhakaNarayangonj,Dhaka Dhaka,BangladeshDhaka,Bangladesh www.facebook.com/mdsiyamhossain
  • 2. 2 1. Defining Economics  Study in economics should begin with definition of economics Regarding definition following questions should be answered:  What is Economics?  What is the definition of economics? Regarding Definition view of the following authors should be discussed:  Adam Smith (1776)  Ricardo (1817)  Robinson,  Marshal and  Lord J.M Keynes Some economists, however, have the view that:  Question of definition of economy aside (Richard Jones and Comte)  Defining economics is unnecessary and waste time (Pareto, Myrdal and Hutchin)  Macfie said lack of distinct definition of economics could be harmful  However, students of economics must have clear knowledge definitions of economics  We must distinct idea what economics is, even it is difficult to define
  • 3. 3 1.1 Early Definitions Adam Smith  An Enquiry into the Nature and Causes of Wealth of Nations J.E. Cairns  Economics deals with the phenomenon of wealth J.B Say  Economics as a science that treats wealth 1.1.1 Critics of the early Definitions  These definitions were harshly defied by religious leader and philanthropists  Social reformers Carlyle and Ruskin called it “pig science”  Even religiously liberal peoples saw this:  They denoted this as “dismal science” (black science), this degraded human
  • 4. 4 1.1.2 Background of the Critics  During the time religious sentiment was dominant  Natural science was under developed  Natural calamity, epidemics and poverty dominated the society  Wealth was mal-distributed  Wealth was seen as a cause of poverty  Concentrating wealth was termed as immoral and sinful
  • 5. 5 2. Marshallian definition of Economics  Marshal called economics as a study of wealth and man  “Economics is the study of the general methods by which men co-operate to meet their material needs and welfare.”  The aim of the political economy is to explain on which the material welfare of human being depends  Marshal definition was termed as welfare definition of economics This definition emphasis on the following points:  Wealth is source for human welfare  But wealth is referred to second position  Economics deal with general peoples  Marshal definition consider human with love, and affection  Motivation and desire to maximise profit is not given proper emphasis  Economics, however, prerequisites of material welfare  And encourages materialistic philosophy of life  In practical world Economics ignores non-materialistic aspect of life  Marshal regarded economics as science and imperfect art
  • 6. 6 3. Robbins’ definition of economics  Robbins tried to free the definition of economics from welfare philosophy  He said, “Economics is a science which studied human behaviour as a relationship between wants and scarce means which have alternative uses” Robbins definition has following assumptions:  Endless wants are the source of all economic activities  If there is no want, economic activity is bound to cease  Wants are unlimited but the means to satisfy wants is strictly limited  Had the means of satisfaction unlimited, no economic problems have arisen
  • 7. 7 Robbins definition has following superior considerations  Consider all material and non-material wants  Consider well being of the peoples  Does not confine economics on wealth and related activities  Robbins considers economics as science Limitations of Robbins definition  Economics cannot deny its responsibility for human society  Robbins definition does not include the theory of growth  It does not explain the problem of unemployment
  • 8. 8 3. Modern Definition Lord J.M Keynes  Economics is study of the administration of scarce resources and of the determination of income and employment Benham  Economics is “a study of the factors affecting the size, distribution and stability of a countries national income.” Significance of Modern Economics  Compare to earlier definitions revolution has been made in economic thinking  Growth has got central importance in the definition of the economics  Stability in economic development