作者：溯一

很有意思的图，谢谢分享 没有查看国内的数据，仅从纵向对比的角度，我能想到的原因一是全球化使得美国企业在海外做生意变得容易，海外收入占比提升，而这部分收入不包括在美国GDP内；二是技术进步尤其是信息技术包括互联网的普及使得管理效率得到提升。

引用：

//Warren Buffett: "In my opinion, you have to be wildly optimistic to believe that corporate profits as a percent of GDP can, for any sustained period, hold much above 6%. One thing keeping the percentage down will be competition, which is alive and well. In addition, the...