Show fair Ex exchange hanze maxims first men are able to employ and so long t e an I 1 price second men alen are able willing willina and adious to consume as much as they produce by their labor third exchange Ext hange is the essen bial factor i in a a specialized cl system of industry and an efficient exchange system will enable each worker to consume as much as lie he produces or the full net product of his labor fourth the exchange of the products of labor among the different workers upon an equitable plan is the equivalent of a sale for cash at a fair price E M |