`  It seems to me that the goal of exchange is to maximize the benefit of division and specialization of land and labour.  It might be  argued that maximizing the benefit of capital development is also a goal, but that is probably overreaching.  It seems that for any efficacy, division of labour is utterly dependent upon exchange.  The creation and maintenance of generally acceptable minimal ``rules of order`` is very important to this maximization of benefit evolving from exchange.   `