_Costs as well as Gains Apportioned._--The term _distribution_, as commonly used, denotes a division of the gains of industry; but as we have said, there are sacrifices which have to be borne in getting the gains, and these also have to be shared. Wealth benefits men in the using, but puts burdens upon them in the making; and when all society does the making, it has to apportion, in some way, not only the benefits but the burdens. We shall take account of these sacrifices because of the relation that they bear to the gains. They act as an ultimate check on production. Men would go on producing indefinitely if the operation cost them nothing, since it would always be agreeable to have a further income; but they necessarily encounter pains and sacrifices that, sooner, or later, bring the enlargement of their incomes to an end. Much that is of importance occurs at that critical point where the sacrifices of production put an end to the extension of it. It is the positive fruits of production that we have first to consider; and what in this connection we wish first to know is how wages and interest are determined when industry is carried on in a social way and under a system of competition. We shall find that these incomes are always tending toward standards which they would reach if society were in the state which we have described as static. How they are forced away from their standards by the changes and disturbances of actual life, and how the standards themselves change with social development, will be the subject of the latter part of this treatise. CHAPTER VI VALUE AND ITS RELATION TO DIFFERENT INCOMES Functional distribution controls personal incomes since each man who gets, in a normal way, any income at all performs one or more productive functions, and his total income is the sum of the returns for these several functions. Moreover under such a condition of ideally perfect competition as we have assumed each of these functions is rewarded according to the product that it creates; and each man accordingly is paid an amount that equals the total product which he personally creates. Men's products, even in the disturbed conditions of actual life, set the _standards_ to which their returns tend to conform, though they vary from them in ways that we shall not fail to notice.