Engines of Growth: Farm Tractors and Twentieth-Century U.S. Economic Welfare
收藏NBER2012-03-01 更新2025-01-04 收录
下载链接：
https://www.nber.org/papers/w17879
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资源简介：
The role of twentieth-century agricultural mechanization in changing the productivity, employment opportunities, and appearance of rural America has long been appreciated. Less attention has been paid to the impact made by farm tractors, combines, and associated equipment on the standard of living
提供机构：
美国国家经济研究局
创建时间：
2012-03-01
