【作者(必填)】Rainer Klump, Peter McAdam and Alpo Willman

【文题(必填)】Factor Substitution and Factor-Augmenting Technical Progress in the United States: A Normalized Supply-Side System Approach

【年份(必填)】2007

【全文链接或数据库名称(选填)】http://www.mitpressjournals.org/doi/10.1162/rest.89.1.183