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Innovation, Growth and Structural Change in American Agriculture

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NBER2020-05-01 更新2025-01-04 收录
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U.S. agriculture was transformed during the 20th century by waves of innovation with mechanical, biological, chemical, and information technologies. Compared with a few decades ago, todays agriculture is much less labor intensive and farms are much larger and more specialized, supplying a much

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2020-05-01
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