He actually has a publication already in the American Economic Review on the Return to Capital with Ghana.

他曾经在美国经济评论杂志上,发表过文章,研究的是加纳的资本回报

耶鲁公开课 - 金融市场课程节选

So remember last time I put up the article by the Crimson that was unfortunately I couldn't find ? a more recent one-- that was 2004?

记得上次,我提出的《哈佛克里姆森》杂志里的文章,很可惜我找不到,更近期一点的，那是2004年的？

哈佛公开课 - 幸福课课程节选