论文分析并评论了1993年诺贝尔经济学奖得主&美国经济学家罗伯特·福格尔关于铁路对于美国经济在19世纪的增长并非绝对必要的理论；
The paper analyses and evaluates the theory by Robert W. Fogel , an American economist and the 1993 's Nobelist , that railways were not indispensable to American economic growth during the 19th century .
罗伯特·福格尔