9[1]"It (economics) is a method rather than a doctrine,an apparatus of the mind,a technique of thinking which helps it spossessor to draw correctconelusions",John Maguard Keynes.James D.Gwarlney.Economics.Private an dpublic choice,9.
10Lawrence B*Chonko.Marketing Education in the 21st Century[J].Marketing Education Review.Vol.13 No.1.2003.