Changes in the skill differential are often used by economic historians to proxy changes in income inequality. According to Jeffrey Williamson and Peter Lindert, American skill differentials rose sharply between 1820 and 1860, which they interpret as increasing income inequality. Using a large,...

This paper studies how well labor markets operated, and industrial workers fared, during early American industrialization. The principal bodies of evidence examined are four cross-sections of manufacturing firm data from 1820 to 1860, and newly-constructed price indexes for classes of products...

That investment in human capital has made an important contribution to the increase of labor productivity and per capita income during the last several centuries is widely acknowledged. While much of the research on this issue has focused on education, many scholars have also directed attention...

Establishment-level data are used to study capital deepening – increases in the capital-output ratio – in U. S. manufacturing from 1850 to 1880. In both nominal and real terms, the aggregate capital-output ratio rose substantially over the period. Capital deepening is shown to be especially...