中国城市边界效应下降了吗?——基于一价定律的研究

被引:29
作者
黄新飞 [1 ]
舒元 [2 ]
郑华懋 [3 ]
机构
[1] 中山大学国际商学院
[2] 中山大学岭南学院
[3] 中国人民大学汉青经济与金融高级研究院
基金
广东省自然科学基金;
关键词
边界效应; 异质效应; 时间趋势;
D O I
10.13821/j.cnki.ceq.2013.04.010
中图分类号
F224 [经济数学方法]; F299.2 [中国];
学科分类号
0701 ; 070104 ;
摘要
不同区域内部的价格分布的差异会干扰到边界效应的估计,即异质效应的存在。本文基于一价定律修正了边界效应模型,利用2004—2007年长三角和珠三角25个城市的六大类商品价格信息,估计了城市边界效应值并考察了城市边界效应的时间趋势。实证结果表明:考虑了异质效应能够有效降低不同地区价格分布差异的干扰,修正后的中国城市平均边界效应从45.9万公里下降至6.6万公里,且每年以0.2%的速度呈下降趋势。行政边界对城市边界效应的影响较大。
引用
收藏
页码:1369 / 1386
页数:18
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