Goldin and Katz's The Race between Education and Technology is a monumental achievement that supplies a unified framework for interpreting how the demand and supply of human capital have shaped the distribution of earnings in the U.S. labor market over the 20th century. This essay reviews the...

"Both human capital and nonhuman capital play an important role in economic growth. Estimates of nonhuman (physical) capital exist for many more countries than for human capital. Recently there has been a significant increase in the number of countries for which estimates of human capital exist,...