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 arrangeme… - Walton Hale Hamilton

"Institutional economics" alone meets the demand for a generalized description of the economic order. Its claim is to explain the nature and extent of order amid economic phenomena, or those concerned with industry in relation to human well-being. In the words of Edwin Cannan, it attempts to tell "why all of us are as well off as we are" and "why some of us are better off than others." Such an explanation cannot properly be answered in formulas explaining the processes through which prices emerge in a market. Its quest must go beyond sale and purchase to the peculiarities of the economic system which allow these things to take place upon particular terms and not upon others.

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:

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 prevalence and permanence, which is embedded in the habits of a group or the customs of a people.