摘要1995年5月中国开始实施多层次的贸易自由化战略,同期中国也经历着持续的出口繁荣。本文借鉴Kehoe and Ruhl(2007)界定法,衡量并考察中国出口扩展边际的现实特征。通过研究发现,随着贸易自由化程度的加深,中国最小贸易品的出口份额呈现明显上升趋势,同时出口商品结构不断升级,说明中国贸易自由化与出口扩展边际之间呈正相关。
1Kehoe,Timothy J.and Kim J.Ruhl.How Important the New Goods Margin inInternational Trade.[R].Research Depart-ment Staff Report of Federal Reserve Bankof Minneapolis,2002.
2Hummels,D,andKlenow P.L.TheVariety and Quality of a Nation、ExportsQ].American Economic Review,2005,95(3).
3Kancs,d'A..TracieGrowth in a Het-erogeneous Firm ModehEvidence from SouthEastern Europe.The World Economy,2007.
4ChingunjavAmarsanaa and YoshinoriKurokawa.The Extensive Margin of Inter-national Ttrade:The Case of Mongolia.Tsukuba Economics Working Papers,2011.