The main appeal of the monopolistic competition model is not its realism, but its simplicity.

垄断竞争模型产品有差异,但不能完全替代.模型不一定在于现实性, 而在于其简单性.

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A Study of Competition model and the Coopetition Pattern on Regional Tourism Industry.

区域旅游产业竞争力模型及区域旅游产业“竞合”模式研究.

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