A number of writers have recently questioned whether labor productivity or per capita incomes were ever higher in the United Kingdom than in the United States. We show that although the United States already had a substantial labor productivity lead in industry as early as 1840, especially in...

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...