Identifying FDI types: Watch what they do, not what they say or look like
比较三种识别外国直接投资类型的分类方案，发现不同方案之间的相关性极低，基于销售信息的方案更符合邻近-集中权衡假说。
This note compares three different schemes to identify FDI types and documents that correlation among different classification schemes is extremely low. Empirical exercises in line with the proximity-concentration tradeoff hypothesis support the sales information based scheme.