经济学原理

边际成本Limit cost无谓损失Meaningless loss机会成本Opportunity cost比较优势Compare advantage完全竞争市场Complete competition market需求价格环境Need price environment 消费者剩余 Consumer surplus公有物品 Public product公有资源 Public resources外部性 Exterior均衡 Balanced供求法则Supply rule

这段话来自马歇尔 (Alfred Marshall) 的经济学原理第一章。“Thus it is on the one side a study of wealth; and on the other, and more important side, a part of the study of man. For man"s character has been moulded by his every-day work, and the material resources which he thereby procures, more than by any other influence unless it be that of his religious ideals; and the two great forming agencies of the world"s history have been the religious and the economic.”希望能帮助到你！