This is the simple statement of the well-known Wages-Fund Theory, which has given rise to no little animated discussion. Few economists now assent to this doctrine when stated as above, and without changes. The first attack on this explanation of the rate of wages came from what is now a very scarce pamphlet, written by F. D. Longe, entitled “A Refutation of the Wage-Fund Theory of Modern Political Economy” (1866). Because laborers do not really compete with each other, he regarded the idea of average wages as absurd as the idea of an average price of ships and cloth; he declared that there was no predetermined wages-fund necessarily expended on labor; and that “demand for commodities” determined the amount of wealth devoted to paying wages (p. 46). While the so-called wages-fund limits the total amount which the laborers _can_ receive, the employer would try to get his workmen at as much less than that amount as possible, so that the aggregate fund would have no bearing on the actual amount paid in wages. The quantity of work to be done, he asserts, determines the quantity of labor to be employed. About the same time (but unknown to Mr. Longe), W. T. Thornton was studying the same subject, and attracted considerable attention by his publication, “On Labor” (1868), which in Book II, Chap. I, contained an extended argument to show that demand and supply (i.e., the proportion between wages-fund and laborers) did not regulate wages, and denied the existence of a predetermined wages-fund fixed in amount. His attack, however, assumes a very different conception of an economic law from that which we think right to insist upon. The character of mankind being what it is, it will be for their interest to invest so much and no more in labor, and we must believe that in this sense there is a predetermination of wealth to be paid in wages. In order to make good investments, a certain amount must, if capitalists follow their best interests, go to the payment of labor.(162) Mr. Thornton’s argument attracted the more attention because Mr. Mill(163) admitted that Mr. Thornton had induced him to abandon his Wages-Fund Theory. The subject was, however, taken up, re-examined by Mr. Cairnes,(164) and stated in a truer form. (1.) The total wealth of a country (circle A in the diagram) is the outside limit of its capital. How much capital will be saved out of this depends upon the effective desire of accumulation in the community (as set forth in Book I, Chap. VIII). The size of circle B within circle A, therefore, depends on the character of the people. The wages-fund, then, depends ultimately on the extent of A, and proximately on the extent of B. It can never be larger than B. So far, at least, its amount is “predetermined” in the economic sense by general laws regarding