一点评论：
所有的经济问题，涉及到的是经济区的概念。使用的空间单位越小，割裂经济区的可能性就越大，所分析的结论自然值得商榷。绝大多数研究似乎并没有讨论经济区的范围，这是一个有趣的问题。
NEG的缺陷——没有考虑理论在不同空间维度的适用问题
The New Economic Geography (NEG) has made amajor contribution to economic geography theory, but it puts forward anexplanation that does not take account of the possibility that differentprocesses may be operating at different spatial scales.
NEG与城市经济理论，谁更能解释小的空间单位的工资变化？——这篇文章就干了这件事.
作者认为，城市经济理论更适合解释小的空间单位的工资变化。
未来的方向
整合的理论。Future empiricalNEG-oriented research will involve new, more realistic, model specificationsthat combine our growing appreciation of different agglomeration processesoperating within different geographies.
新的方法。 Predictiontechniques for spatial panels (Baltagi and Li, 2006; Fingleton, 2009, 2010;Baltagi, Bresson and Pirotte, 2010), and dynamic spatial panels (Baltagi,Fingleton and Pirotte, 2010) should also enhance our model performancecomparison toolbox, enabling us to analyse the relative ability ofcompeting theories to predict observed ‘hold-back’ data.
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