The Rise of American Ingenuity: Innovation and Inventors of the Golden Age
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We examine the golden age of U.S. innovation by undertaking a major data collection exercise linking historical U.S. patents to state and county-level aggregates and matching inventors to Federal Censuses between 1880 and 1940. We identify a causal relationship between patented inventions and long
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美国国家经济研究局创建时间：
2017-01-01
