(A) Of non-uniformity of opinion and approach of
economist
(B) Economic behaviour of human being is
unpredictable
(C) Measuring rod of money is unstable
(D) All the three
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(A) Of non-uniformity of opinion and approach of
economist
(B) Economic behaviour of human being is
unpredictable
(C) Measuring rod of money is unstable
(D) All the three