The difficulty in defining a field for the so-called institutional economics is the uncertainty of meaning of an institution. Sometimes an institutio… - John R. Commons

The boot and shoe makers, either as shoemakers or “cordwainers,” have been the earliest and the most strenuous of American industrialists in their economic struggles. A highly skilled and intelligent class of tradesmen, widely scattered, easily menaced by commercial and industrial changes, they have resorted with determination at each new menace to the refuge of protective organizations.

The smallest unit of the institutional economists is a unit of activity — a transaction, with its participants. Transactions intervene between the labor of the classic economists and the pleasures of the hedonic economists, simply because it is society that controls access to the forces of nature, and transactions are, not the "exchange of commodities," but the alienation and acquisition, between individuals, of the rights of property and liberty created by society, which must therefore be negotiated between the parties concerned before labor can produce, or consumers can consume, or commodities be physically exchanged.

The aim of this volume is to work out an evolutionary and behavioristic, or rather volitional, theory of value. It was commenced thirty-five years ago at Johns Hopkins University under my stimulating teacher, Richard T. Ely.