In adjustments of Trade outside the pocketmoney class of transactions, Money pieces do not serve to the extent of five per cent. Nearly all those adjustments are effected by means of Money terms in books of account and through the medium of checks and drafts and notes and bills of exchange. These are in effect orders upon banks (one of the forms of Labor) for the transfer of credits recorded in their books of account. Banking is an improvement upon Money pieces in Trade, very much as Money pieces are an improvement upon crude barter. It lifts the Money-piece customs of Trade to book-keeping levels. If everybody were a bank depositor, and every bank were connected with every other by a perfected clearinghouse system, all necessity for Money pieces, except for “pocket cash,” would vanish. In that event the check and the promissory note and the bill of exchange, operating as orders to the book-keepers of banks and clearinghouses, would effect transfers of debits and credits the world over so that all Trade would be barter systematized--plain barter freed from the obstructions incident to barter in primitive Economic circumstances. Except for the use of “pocket cash,” Money pieces of every kind, whether metal or paper, would be like children’s toys to grown-ups. 4--_Balances of Trade_ Out of worldwide Trade, which, like Trade in narrower circles is effected by means of Money terms in books of account and through the medium of drafts by creditors upon debtors, a subclassification has evolved in Economics of the business-customs type. This subclassification alludes to a situation in Trade between the people in the aggregate of one country and those of the other countries of the world, in which the balance for that country is at any given time on the credit side. Its exports exceed its imports. This situation is known in the business circles of creditor countries as a “favorable balance of trade.” The suggestion that such balances are favorable is doubtless true with reference to banking and some other business relationships. Business must be better with banking, apparently at least, when the buying and the selling of drafts on the people of foreign countries is brisk than when it is dull. It must be better, also, with exporters who draw the drafts and sell them. The drawing and the selling of drafts against foreign balances is surely a more profitable occupation when there is an excess of exports to draw against than when the balance of trade is the other way. It must be even more satisfactory in those connections when the excess of exports is continuous.