和规模经济不同，范围经济的出现往往并不是厂商刻意追求的结果。
Different from economies of scale, the economies of scope are not often the result that the firm pursues sedulously.
知识溢出不仅具有规模经济，而且还具有范围经济和联结经济。
Knowledge spillovers not only has economies of scale, but also has economies of scope.
自然垄断的特征与规模经济、范围经济、网络经济和沉没成本有着紧密联系，但其根本特征是成本的劣加性。
The natural monopoly is mainly shown as economies of scale, economies of scope, economies of network and sunk cost, etc, but its basic characteristic is the subadditivity of cost.
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