CNBC ‘The summer job is back’: Teens enter the labor force as employers dish out higher wages, perks “The summer job is back,” said Alicia Sasser Modestino, an associate professor of economics who studies youth development at Northeastern University. “I remember being completely dead wrong in summer of 2021 when I said, ‘Teenagers: just run out, grab these jobs, because this is not going to last.’”