We study the relationship between tariffs and labor productivity in US manufacturing between 1870 and 1909. Using highly dis-aggregated tariff data, state-industry data for the manufacturing sector, and an instrumental variable strategy, results show that tariffs reduced labor productivity....

The US advantage in per capita output, apparent from the late 19th century, is frequently attributed to its relatively large domestic market. We construct market potential measures for the US and 26 other countries between 1880 and 1913 based on a general equilibrium model of production and...