中文摘要：

威廉姆森（Williamson）提出了一个著名的有关一国生产空间分布演变的倒U型假说,即一国或地区的生产集中度会随着经济发展水平的提高而呈现先增大后减小的变化趋势。本文运用我国1996-2009年省际面板数据对该假说进行了实证检验。实证研究的结果支持了这一假说：随着经济发展水平的提高,我国生产集中度呈现出先上升后下降的倒U型演变过程。

英文摘要：

Williamson presented a famous inverted U-hypothesis which was about spatial distribution of production in a country,i.e.the concentration of production in a country or region would increase at first and then decrease along with the economic development.The purpose of this article is to test the existence of this hypothesis in China by using provincial panel data during 1996-2009.The results show that the concentration of production in China firstly increases and then decreases along with the economic development,which supports the Williamson hypothesis.