Putting Things in Order: Trade Dynamics and Product Cycles
提出一种利用删失面板数据对对象进行排序的方法，并用美国进口数据对国家与商品排序，发现排序与生产率和增长率等宏观经济现象相关。
We develop a procedure to rank-order objects using censored panel data sets. We illustrate this by ranking countries and commodities using disaggregated American import data and find evidence that countries and commodities can be ranked. Countries habitually begin to export goods to the United States according to an ordering; goods are also exported in order. We estimate these orderings using a methodology, that takes account of the fact that most goods are not exported by most countries in our sample. Our orderings seem sensible, robust, and intuitive, and they are correlated with macroeconomic phenomena such as productivity and growth rates. © 2000 by the President and Fellows of Harvard College and the Massachusetts Institute of Technology