INSTITUTION is a verbal symbol which for want of a better describes a cluster of social usages. It connotes a way of thought or action of some preval… - Walton Hale Hamilton

An explanation of the "institutional approach" to economic theory is a plea for a particular kind of theory. It is possible to come upon the same object from different angles; but more often those who take different routes chance upon different things. The "institutional approach" doubtless has some importance because it is a happy way to acceptable truth, but its significance lies in its being the only way to the right sort of theory. An appeal for "institutional economics" implies no attack upon the truth or value of other bodies of economic thought, but it is a denial of the claims of other systems of thought to be "economic theory." This, however, is no pointless struggle in method to be carried on by breaking syllogisms over concepts and by engaging in polemics over niceties in statement. On the contrary, it involves the very nature of the problems which the theorist should set himself; its real issue is over what economic theory is all about.

In some form or other the rivalry of men will continue to be employed as an instrument of the general welfare. It is not important that the arrangements which currently are set down as the competitive system will endure. It is important that the spirit of competition shall be enhanced and not impaired. There must be an outlet for the creative urge, free play for the dynamic drive. In a society, as in the physical world, motion is inseparable from life.

There [is]... a list of five tests which any body of doctrine which aspires to the name of economic theory must be able to meet: