Question : The concept of elasticity was first introduced by:

Option 1: Adam Smith.

Option 2: Karl Marx.

Option 3: Alfred Marshall.

Option 4: John Maynard Keynes.

Question : The concept of "human capital" was first introduced by:

Option 1: Adam Smith

Option 2: John Maynard Keynes

Option 3: Amartya Sen

Option 4: Gary Becker

Question : "An Enquiry into the Nature and Cause of the Wealth of Nations" is an influential work by economist ______.

Option 1: Alfred Marshall 

Option 2: John Maynard Keynes

Option 3: Millicent Fawcett 

Option 4: Adam Smith

Question : The Liquidity Preference Theory of Interest was propounded by : 

Option 1: J. M. Keynes

Option 2: David Ricardo 

Option 3: Alfred Marshall 

Option 4: Adam Smith 

Question : Who gave the concept of 'money illusion' for the first time?

Option 1: Robertson

Option 2: Adam Smith

Option 3: Irving Fisher

Option 4: John Maynard Keynes