共 5 条
- [1] 空间经济学原理[M]. 经济科学出版社 , 安虎森, 2005
- [3] Regulatory Protectionism, Developing Nations, and a Two-Tier World Trade System[J] . Richard E. Baldwin.Brookings Trade Forum . 2000 (1)
- [4] INCREASING RETURNS AND ECONOMIC-GEOGRAPHY [J]. JOURNAL OF POLITICAL ECONOMY, 1991, 99 (03) : 483 - 499
- [5] MONOPOLISTIC COMPETITION AND OPTIMUM PRODUCT DIVERSITY [J]. AMERICAN ECONOMIC REVIEW, 1977, 67 (03) : 297 - 308