Answer:
Self Interest & Invisible Hand of Laissez Faire Policy
Explanation:
Adam Smith Laissez Faire Policy - suggests that free markets are the best approach for welfare maximisation of a society, based on self interest guiding best decisions by individuals, and individual wealth & welfare maximisation implies society wealth & welfare maximisation.
The Invisible Hand of free markets corrects all the discrepancies (if any), re-guides self interest forming the basis of over all social interest. Government intervention is unnecessary & distortionary as per the theory
