【作者(必填)】Richard R. Nelson

【文题(必填)】Research on Productivity Growth and Productivity Differences: Dead Ends and New Departures

【年份(必填)】1981

【全文链接或数据库名称(选填)】https://www.jstor.org/stable/2724327

求Nelson于1981年发表在《Journal of Economic Literature》上的该文
Vol. 19, No. 3 (Sep., 1981), pp. 1029-1064

非常感谢