Introduction to "Science and Engineering Careers in the United States: An Analysis of Markets and Employment"

Richard B. Freeman and Daniel L. Goroff, Science and Engineering Careers in the United States: An Analysis of Markets and Employment (University of Chicago Press, 2009), https://www.nber.org/books-and-chapters/science-and-engineering-careers-united-states-analysis-markets-and-employment/introduction-science-and-engineering-careers-united-states-analysis-markets-and-employment.