Many large urban areas in the U.S. now have more “guard labor” than teachers. ….
…. Our definition of guard labor is narrower than that of Bowles and Jayadev, limited to what they call “protective guard labor”—that is, police officers and detectives, prison guards, private security guards, transportation security screeners, and other protective service workers. Our definition of teachers includes pre-school, elementary, middle-school, and high-school teachers, as well as special-education teachers.
For each metro, we looked at the change in guard labor over time, the number of guards per 10,000 people, the location quotient for guard labor, and—most importantly for our purposes—the ratio of guards to teachers. ….