一、经济系统的耗散结构世界经济,有不同的结构。封建所有制结构下的经济系统,是以自给自足的自然经济为主,可以有条件地视为封闭的经济系统。所谓有条件地,就是自然经济也不是绝对没有商品交换,只是开放、流通在经济活动中不占重要地位。随着世界资本主义的发展,特别是世界市场的出现,开放的经济系统就在资本主义世界形成了。或者,如托夫勒(A.Toffler)所 First, the dissipative structure of the economic system The world economy has a different structure. The economic system under the feudal ownership structure is dominated by a self-sufficient natural economy and can be conditionally regarded as a closed economic system. The so-called conditionally, that is, the natural economy is not without any exchange of goods at all. It is only open to the outside world and circulation does not occupy an important position in economic activities. With the advent of the development of world capitalism, especially the world market, an open economic system was formed in the capitalist world. Or, as A. Toffler does