Smith examines possible advantages of specialization by division of work, including expand usefulness and gains from exchange, whether among town and nation or across countries. "hypothesis" that "the division of work is restricted by the degree of the market" has been as the "center of a hypothesis of the elements of firm and industry" and a "major rule of fi organization."[51] To Smith has additionally been credited "the main meaningful suggestio financial aspects" and underpinning of asset portion hypothesis - that, under contest, asse proprietors (of work, land, and capital) look for their most beneficial purposes, bringing ab equivalent pace of return for all purposes in balance (adapted to obvious contrasts emergit