This paper synthesizes what economists have learned about human capital since Becker (1962) into four stylized facts. First, human capital explains at least one-third of the variation in labor earnings within countries and at least half of the variation across countries. Second, human capital...

This paper reviews and synthesizes the literature on the macroeconomic implications of human capital theory. I begin with a review of the canonical model of education and the wage structure pioneered by Tinbergen (1975) and developed more fully by Goldin and Katz (2007). I also review...

Science, Technology, Engineering, and Math (STEM) jobs are a key contributor to economic growth and national competitiveness. Yet STEM workers are perceived to be in short supply. This paper shows that the “STEM shortage” phenomenon is explained by technological change, which introduces new...