Question

All of the following are famous modern economics EXCEPT
A Karl Marx
B Adam Smith
C Sigmund Freud
D John Maynard Keynes

Answer 1

The Answer Is C Sigmund Freud 

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Answer 2

Options A, B, and D are all economists.  Karl Marx was one of the major developers of the socialist school of economics.  Adam Smith was one of the pioneers of the classical school of economics.  The Keynesian school of economics was created based on the beliefs of John Maynard Keynes.  However, Freud was a neurologist, not an economist.  The answer is C.