The human capital construct is deep in the bones of economics and finds reference by many classical economists, even if they did not use the phrase. The term "human capital," seldom mentioned in economics before the 1950s, increased starting in the 1960s and blossomed in the 1990s. The upsurge...

The modern concept of the wealth of nations emerged by the early twentieth century. Capital embodied in people human capital mattered. The United States led all nations in mass postelementary education during the human-capital century.' The American system of education was shaped by New World...

The United States led all other nations in the development of universal and publicly-funded secondary school education and much of the growth occurred from 1910 to 1940. The focus here is on the reasons for the high school movement' in American generally and why it occurred so early and swiftly...

Human capital accumulation and technological change were to the twentieth century what physical capital accumulation was to the nineteenth century -- the engine of growth. The accumulation of human capital accounts for almost 60% of all capital formation and 28% of the per capita growth residual...

A new state-level series on secondary-school data demonstrates that graduation and enrollment rates increased greatly in the 1920s and 1930s in most regions. An 18-year old male in 1910 had just a 10% chance of having a high school diploma but by the mid-1930s the median 18-year old male was a...