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1.原始文献
(A) Spence, "Product Selection, Fixed Costs, and Monopolistic Competition," Review of Economic Studies, 1976.
(B) Dixit and Stiglitz, "Monopolistic Competition and Optimum Product Diversity", American Economic Review, 1977.
这两篇文章得出了基本相同结论:产品的差别可能来自于消费者喜欢多样性。并且,它们用垄断竞争模型把产品差别和收益递增结合起来考虑。
2.在国际贸易之中的应用
保罗 克鲁格曼Krugman, "Increasing Returns, Monopolistic Competition, and International Trade," Journal of International Economics, 1979.
Krugman把它引入国际贸易,成功地解释了产业内贸易(Intra-industry Trade)这种现象。人们也经常用这个模型研究贸易和增长的关系问题。