Any person with a taste for curiosities of human behavior might well pursue this question of capitalized free income into its further convolutions, and might find reasonable entertainment in so doing. The topic also has merits as a subject for economic theory. But for the present argument it may suffice to note that this free income and the business-like contrivances by which it is made secure and legitimate are of the essence of this new order of business enterprise; that the abiding incentive to such enterprise lies in this unearned income; and that the intangible assets which are framed to cover this line of "earnings," therefore, constitute the substantial core of corporate capital under the new order.

The Vested Interests and the Common Man (1919)