经济学家拉姆茨在其1928年发表的一篇著名文章中说到，人们对于他们今天的行为如何影响其自身的未来“缺乏想像 ” 。
The economist Frank Ramsey, in a famous article published in 1928, said that people have a “weakness of the imagination” about how their actions today affect their own future.